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Abstrack: The rapid development of technology affects various aspects of life, one of the effects of technological developments is felt in the process of data management systems which are almost entirely digital-based, this affects the availability of data recorded in digital form which is very abundant, resulting in the creation of a digital system known as Big Data. On the other hand, the rapid development of technology creates new problems, problems that often arise in the current era regarding the protection of personal data. Regulations related to the protection of personal data, both in government and private institutions, have been regulated in several laws and regulations, but in their implementation the rules governing personal data protection are not sufficient to provide protection for personal data collected in Big Data, both in government institutions and private. Therefore, this study analyzes the alignment of the use of Big Data technology with public or consumer privacy regarding the protection of personal data. The research method uses a literature review with a conceptual-analytic approach. The data used are various journals related to the topic the author is studying, related laws and regulations and several news sources from print and electronic media. The use of big data must be balanced with strong protections related to personal data protection, in practice in Indonesia the lack of legal rules related to personal data protection has resulted in many cases of data leakage.

These traditional agricultural systems have proven effective in maintaining local food security for centuries, they now face various challenges. Pressures from population growth, land-use change, and climate change threaten the sustainability of many traditional agricultural systems. The purpose of this study is to show that the integration of local wisdom in the modern agricultural system has also begun to receive recognition in national policies. Qualitative research uses a descriptive approach to collect data systematically, factually, and quickly according to the description when the research is carried out. The results of this study show that with the right approach, recognition and protection of customary rights can be an important foundation in building a food security system that is not only productive, but also ecologically sustainable and socially just.

Land* is* a* necessity* that* is* needed* by* every* Indonesian* citizen.* The* purpose* of* this* study* is* to* find* out* and* analyze* the* resolution* of* legal* disputes* against* holders* of* certificates* of* ownership* (double* certificate).* A sense of wanting to have a subject that will eventually lead to land disputes. One of the problems is the emergence of multiple ownership certificate (overlapping). "Double Certificate" can lead to civil disputes between the parties, so to ensure legal certainty over the land it needs to be resolved through a judiciary. Based* on* the* results* of* the* study* indicate* that* the* occurrence* of* double* certificates* caused* by* several* factors,* namely* the* bad* intention* of* the* applicant* for* the* certificate,* an* error* from* the* Land* Office,* namely* in* terms* of* collecting* and* processing* physical* data* and* juridical* data* of* the* land,* and* the* unavailability* of* a* comprehensive* land* registration* map.* Double certificate occur because there are two certificates in one office issued officially by the Land Office. This* research* uses* normative* juridical,* data* sources* collected* from* library* data* and* then* the* data* collection* techniques* used* are* literature* study.* The* formulation* of* the* problem* in* this* research* skirpsi* is*what* are* the* factors* that* lead* to* the* submission* of* dual* certificates,* and* the* legal* protection* that* double* certificate.* Legal protection for holders of land rights is as regulated in Government Regulation No.24 of 1997 and Article 38 paragraph (2) UUPA, Article 32 paragraph (2), Article 23 paragraph (2) and Article 19 paragraph (2) letter c, that the certificates of proof of right act as a strong means of proof. The two rights owners who are the object of the dispute do not receive legal protection if the revocation of the land certificate has been decided. Because the publication system used in Indonesia is a negative publication system that contains positive elements. Settlement* of* land* disputes* can* be* resolved* by* deliberation* by* the* parties* or* mediation* and* through* justice.* On* the* other* hand* there* is* a* need* for* special* procedural* law* provisions* either* through* deliberation* or* mediation* at* Land* Office* and* the* court* if* dispute* resolution* occurs* through* litigation. The settlement of disputes through this court route s generally through several solutions, ths is : 1. Lawsuit to the land office 2. Civil suit in court 3. State admnstrative court 4. Kasasi in the menchanism for resolving land disputes with multiple certificate outside the court route includes the use of legal remedies by mediaton.   Keywords:* Settlement,* Land* Certificate,* Double

September 13, 2019, the US Food and Drug Administration (FDA) and the European Medicine Agency (EMA) issued a warning through the official FDA website, that contaminants were found that were thought to trigger cancer. It is known that the contamination is an impurity or nitrosamine compound or commonly called N-Nitrosodimethylamine (NDMA) which is included in chemical contamination originating from chemical elements or compounds that can endanger human health. Symptoms that appear are the skin and the whites of the eyes turning yellow, fatigue, darker urine, and abdominal pain. Based on this, there is a problem that needs to be analyzed, namely how the law protects consumers from consuming these materials, especially in the city of Semarang, are there any obstacles in the effort to protect consumers from consuming drugs containing NDMA. The methodology used in this research is juridical normative with secondary data, which is analyzed by analytical descriptive. The results of the analysis, it is known that the state through various provisions has protected consumers from consuming hazardous materials, including those in Article 8 "Regarding actions that are prohibited for business actors; Law Number 36 of 2009 concerning Health Articles 98, 99, 104 & 106 "Regarding the Security and Use of Pharmaceutical Preparations and Medical Devices" AND Regulation of the Minister of Health of the Republic of Indonesia 101 / MENKES / PER / XI / 2008 concerning Drug Registration. That in this protection effort, the government c.q BPOM is experiencing internal and external obstacles. Internal constraints, namely limited human resources and still low external business actors to meet the requirements for good production methods, with relatively low legal sanctions.   Keywords: Consumer Protection, NDMA Drugs, BPOM

Technology assistance is very helpful for community activities including financial institutions, such as the application of Fintech (Financial Technology). Fintech utilizes technology to improve banking and financial services performed by companies by utilizing software technology. Along with the development, Fintech began to have a negative impact, especially from the money loan service or Fintech Peer to Peer Lending (P2PL). the problem is how is the protection for debtors / customers, such as attempts to intimidate customers who have difficulty paying. The method used in this research is normative juridical, namely research based on secondary data, which is then analyzed qualitatively and presented in a qualitative form.Based on the research results, it can be concluded that protection for debtors or customers who feel disadvantaged can take 5 (five) ways, which are regulated in the Consumer Protection Law, OJK Regulation, ITE Law, BI and Government Regulations. Safeguards in the Consumer Protection Law are accommodated in Article 4. OJK's efforts, in collaboration with Kominfo and AFPI, are that if there is intimidation that is detrimental to the debtor, the debtor can submit a complaint report through the website page provided by the OJK and AFPI. Debtors can also report to the authorities. The ITE Law can be seen in Article 26 of the ITE Law. Efforts made by Bank Indonesia, namely BI to form the Bank Indonesia Fintech Office (BI-FTO) and recommend to follow the existing regulations in PBI No. 16/8 / PBI / 2014 and PBI No 18/17 / PBI / 2016 concerning Electronic Money (PBI E-Money).           Keywords: Financial Technology, Legal Protection, Debtor Efforts

In our daily needs as a human being cannot be separated from the natural resource that is bestowed by God Almighty, especially water. People choose to consume drinking water produced by the Drinking Water Depot (AMD) business because of the need for clean and healthy water for consumption. But it turns out that health is not always guaranteed because the drinking water produced by the drinking water depot (AMD) refills is still found many germs that cause disease (pathogens) and is not safe for consumption because it does not meet the standard of eligibility. Issues to be discussed are the legal protection of consumers for their rights being violated by business actors in refill drinking water depots in Semarang City, and the settlement mechanisms that can be taken to resolve various violations of refilled drinking water depots that do not have a business license in Semarang City. The approach method used in this research is a normative juridical approach using secondary data in the form of library materials, documents, and other laws and regulations related to the research that will be discussed. And the analysis technique used is descriptive analytical. Legal Protection for Water Depot Consumers whose Rights are Violated by Business Actors of Refill Drinking Water Depot in Semarang City, are regulated in Article 60 and Article 62 of the Consumer Protection Law as well as in Article 28 of the Regulation of the Minister of Health of the Republic of Indonesia Number 736 / Menkes / Per / IV / 2010 concerning Procedures for Supervision of Drinking Water Quality, while the Settlement Mechanism that Can Be Taken to Resolve Various Violations of Refill Drinking Water Depots that Do not Have Business Permits in Semarang City are regulated in Article 47 and Article 48 of the Consumer Protection Law.   Keywords: Consumer Protection, Drinking Water Depot (AMD), Business License

Transportation is a very important aspect of its existence in society, both the transportation of people and goods. One of the well-known online transportation companies in Indonesia is PT Gojek Indonesia. During its development, there have been actions committed by unscrupulous people in the community that harm online motorcycle taxi drivers, namely fictitious / fake orders. Fictitious Order is an order that starts with creating a fake account through an online transportation application that can harm the company.The problem is what is the form of the agreement between the driver and the user and is there the responsibility of PT Gojek Indonesia. The method used in this research is sociological juridical, with data sources in the form of interviews. The results of the analysis were presented descriptively and analytically.The results show that there is no legal regulation that regulates protection for Gojek drivers who experience fictional orders. But from the PT. Gojek provides compensation in the form of compensation money. However, this is not widely used by drivers, because the process of disbursing compensation money takes time, so the driver as the victim prefers to bring the results of the fictitious order himself or sell it to someone else.  Keywords: Protection, Transportation, Gojek

Earth, water and space as well as the natural resources contained therein under the control of the State are gifts from God Almighty whose functions and uses are for the prosperity of the people. Land for the Indonesian Nation is a source of livelihood and is regulated in the provisions of the Law. The Basic Agrarian Law No. 5 of 1990 lays the foundation on providing legal certainty for land rights for the Indonesian people. Legal certainty is obtained after the land registration process. Land rights that have legal certainty can be transferred or transferred. however, in the process, disputes over land rights still occur in the community. Blocking of Land Rights Certificates is taken as an administrative step in the dispute resolution process, but there is a period of only 30 days to record the blocking of Peru, it is known how the factors of land blocking, how to know the position of the holder of the Land Rights certificate when the block is being blocked and when the period is 30 blocking day is over but the dispute has not been resolved. The type of research used by the writer is juridical normative and descriptive analytical research specification by collecting data by means of literature study and interviews which are presented in a descriptive manner and analyzed in a descriptive qualitative manner. The results of the research and data analysis carried out show the factors that cause the blocking of Land Rights Certificates, namely: a. Gono-Gini distribution of assets, b. Land Rights Holders do not have good faith, c. Distribution of Inheritance, d. Lost Certificate, e. There is an investigation by the Police, f. Land rights confiscated by the State Receivables Affairs Committee (PUPN) in connection with the settlement of State Receivables. Legal protection & the position of the Land Rights Certificate Holder when the blockage is carried out is that the right holder cannot take legal action against the blocked land for 30 days after the block registration was carried out, article 19 UUUPA / PP 241997 regarding registration will not be lost The legal certainty of the rights holder remains attached to it as long as there has been no transfer of rights to the land they own. If the 30 day period of blocking is over but the dispute has not been completed, the blocking will not be removed by law and will remain in effect as long as there is no request for revocation by the applicant or the provisions -Other provisions which become the reasons for the removal of the block in accordance with article 14 of the Regulation of the Minister of ATR / Head of the National Land Agency No.13 of 2017 concerning the Procedure for Blocking and Confiscation, this is because in the Land Office (Semarang) there is no system that can identify or filter out expired blocks.   Keywords: Land Registration, Legal Certainty, Rightsholders, Blocking of Land Rights Certificates, Position of Rightsholders

Medical aesthetic tourismberkembang pesat beberapa tahun terakhir. Kajian terhadap perlindungan hukumnya perlu diperdalam agar tren ini dapat memberikan rasa aman bagi pelakunya. Tujuan artikel ini untuk mengkaji dan menganalisis Perlindungan Hukum medical aesthetic tourism. Jenis penelitian ini termasuk penelitian doktrinal yang mengacu pada sumber data primer, sekunder dan tersier, dengan teknis analisis data interaktif. Hasil kajian menunjukkan perlindungan hukum medical aesthetic tourism terkait pada standarisasi pelayanan medik, standar keamanan produk, asuransi, litigasi risiko medik selama tindakan dan perawatan.  Perlindungan hukum ini dikaji dengan perspektif Pancasila dan Undang-Undang Dasar Negara Republik Indonesia Tahun 1945, serta hukum internasional yang terkait.Ulasan literatur naratif ini berfokus pada masalah perlindungan hukum wisatawan yang mendapatkan perawatan medical aesthetic tourism di luar negeriKata Kunci : Perlindungan Hukum, Medical Aesthetic, TourismABSTRACTMedical Aesthetic Tourism shows significant growth in recent years. A study on its law protection should be conducted more in-depth to enable this trend to give the feeling of secure to its actors. This article aimed to study and to analyze Law Protection of Medical Aesthetic Tourism. This study was a doctrinal research referring to primary, secondary and tertiary data sources, with interactive technique of analyzing data.  The result showed the Law Protection of Medical Aesthetic Tourism related to medical service standardization, product security standard, insurance, medical risk litigation during action and treatment. This law protection is studied from the perspective of Pancasila and Republic of Indonesia’s 1945 Constitution, and related international law. This narrative literature review focused on the problem of law protection for the tourists getting Medical Aesthetic Tourism treatment abroad.

Children’s sexual abuse was increasing at Tuban district. Data from the Social Service for Women Empowerment and Child Protection (Dinsos P3A), and NGOs in Tuban District recorded an increase in violence against children, especially victims of sexual abuse from 2013 to 2017, even after Regional Regulation (Perda) Number 13 of 2013 concerning Child Protection was implemented. The impact of cases of sexual violence on children is very severe because it can cause severe trauma, loss of self-confidence, victims will feel hate towards themselves to personality disorders as adults. Methods: One effort that is promoted as an action to prevent incidents of sexual violence against children is an educational workshop sexual abuse in children. The purpose of this community service activity is twofold, namely to increase understanding of sexual education in children and to increase children's awareness of acts of sexual violence, namely to fourth grade students at SDN Gesikharjo Palang Tuban. Result: The workshop was conducted by giving counseling to 86 students grade IV at SDN Gesikharjo Palang Tuban, followed by educational games using giant ladder snake media that have been modified to contain content on sexual education and sexual violence in each box with participants as the pieces to evaluate participants' awareness of sexual violence then closed with a child's self-reflection with a picture of himself to identify the possibility of violence in children. Conclusion: This activity succeeded in increasing the understanding and alertness of grade IV children at SDN Gesikharjo Palang Tuban and finding students who were victims of violence which were then treated by counselors from NGOs caring for children. Suggestions, the government and educational institutions need to launch a sexual education program and increase awareness of sexual violence against minors as an effort to prevent sexual violence against children.

Problems related to illegal downloading are still a problem for songwriters or musicians in Indonesia. In the UUHC and the ITE Law, it has also been regulated regarding the protection of copyright infringement through the internet media. In fact, the enforcement of this law is less firm. Based on the explanation given to the description above, this research is entitled "Legal Protection for Songwriters on Internet Media (Sociology of Law Studies)." The formulation of the problem of this research is how the legal protection for songwriters on the internet media, how is the responsibility of the free Mp3 song download service provider against copyright infringement through the internet media for songwriters, public perception regarding the protection of songs circulated on the internet media. The approach method used in this research is sociological juridical. The research specification was carried out by descriptive analytical. The method of presenting data in this study was carried out by direct interviews with the community or filling out questionnaires on the internet. The analysis used in this paper is qualitative. The results show that the legal protection of songwriters has been automatically protected by UUHC, the government has also made efforts to block illegal song download sites but in reality people still download illegal songs on the internet, the responsibility of free song download service providers, in the development of copyright infringement through Internet media is usually charged to the Internet Service Provider (ISP) if the provider provides facilities that allow copyright infringement to occur. Site providers have actually become an irregularity, these sites have shifted their position from being an illegal site to a legal site by positioning themselves as a song search site, the song provider in this case has violated the law. Public perception about individuals who download songs are wrong because they violate the Copyright Law. The public is aware of copyright infringement, but according to facts on the ground, people still download songs without permission. This behavior is carried out because the protection of songs by the Government is not strong enough. There are no strict sanctions for providers of free songs on the internet and free song downloaders on the internet.   Keywords: UUHC Protection, Download Songs, Service Providers on Internet Media  

In Semarang city suspected of many cosmetic products packaging or wrap that is circulating in the community did not provide information that is clear, both in terms of composition that does not mention the substance or the standards set by the health department, products with labels that have expired, as well as product information is misleading, particularly outstanding in the traditional markets. It is then the background for the author to take the title: "Overview of Consumer Protection Laws Against Illegal Import Chinese Cosmetic Products in Semarang".            Formulation The problem in this case is (1) How are monitoring has been done by the government (BBPOM) to consumer protection in the field of cosmetic products illegally imported Chinese in Semarang? How can these obstacles to the implementation of supervision BBPOM against illegal imports of Chinese cosmetic products in the protection of consumers in Semarang? How are the remedies that have been taken by the government BBPOM to consumer protection related to the circulation of illegal imports of Chinese cosmetics in the city of Semarang The method used in this research is the method of approach to examine the rules of the applicable law, whereas the specification of the research is analytic descriptive only portray the legislation in force linked and analyzed with the theories of jurisprudence and a keadaaanatau particular object in a factual and accurate, and the data obtained will be analyzed qualitatively. The results showed that (1) Efforts to control the government has done (BBPOM) to consumer protection in the field of cosmetic products illegally imported Chinese in the city, carried out with the cooperation and coordination across relevant sectors, among others, by the District Government / City (Department of Health / Department of Industry / Department of Commerce), the National Police, as well as the Association as well as the role of the community. (2) The form of the obstacles to the implementation of supervision BBPOM against cosmetic products illegal Chinese imports in the protection of consumers in the city of Semarang, among others, actors utilize means and legal products, the perpetrator repackaging its products, the lack of public attention, the number of products containing hazardous materials, (3) Efforts the completion of which the government has done BBPOM to consumer protection related to the circulation of cosmetic illegal imports of Chinese in Semarang city is done by sanctioning criminal and administrative sanctions, but it is done through counseling, talk shows, seminars and the distribution of stickers to be vigilant and clever in choosing and using cosmetics that will be

The development of the economy in Indonesia in the field of trade and industry has given birth to many types of goods and services. Helped with the advancement of information technology and telecommunications in Indonesia, resulting in the vast area of ​​buying and selling transactions to foreign countries. As the largest Muslim population in the world, Indonesia has the potential to become the largest producer of halal food. Business actors not only pay attention to the composition of the medical course, but also need food that is consumed legally. Legal certification of food products as a form of consumer protection against the halal of a product, not only to protect consumers but also as a bulwark to eliminate abuse authorities that harm business actors are only in the interests of consumer protection. The above is the basis for the author to take the title: "LEGAL PROTECTION FOR CONSUMERS OF FOOD PRODUCTS THAT HAS NOT HALAL CERTIFIED". The problem in this study is how the form of legal protection for consumers of food products that have not been halal certified and the legal consequences for businesses for food products that have not been halal certified. This study uses a normative juridical approach. The research specifications used are analytical descriptive. The data of this research are secondary data obtained through literature study which are then analyzed using qualitative methods.  The research results obtained despite regulations made by the Government, in Act Number 8 on Consumer Protection in 1999 and Act Number 33 on Halal Product Guarantee in 2014, that the facts that occur there are still food products that have not been halal certified . Based on the results of the study, legal protection for consumers of food products that have not been halal certified is regulated in Article 45 of the Consumer Protection Act which regulates if consumers are harmed by products, consumers can file lawsuits with business actors as a form of legal protection against consumers. The obligation as a business actor to have a halal certificate is regulated in Article 4 of Law Number 33 of 2014 concerning Halal Assurance System, as a result of the law received by business actors for the circulation of food products that have not been halal certified, namely by providing administrative sanctions and criminal sanctions that are regulated in Article 62 of the Consumer Protection Act.   Keywords: Consumer Protection, Halal Certificate, Legal Effects

Vigilantism itself is an offense that still often occurs in the community around us. This violates the provisions of article 170 paragraph (1) and (2) of the Criminal Code, article 351 paragraph (2) and (3) of the Criminal Code, article 354 paragraph (1) and (2) of the Criminal Code. Violations of vigilantism are not justified because it is as if the community as the perpetrators of vigilantism ignores the legal process in force in Indonesia. Then there needs to be protection for the suspect or victim of vigilantism even though he is a criminal. It aims to achieve justice and legal processes in this country. The formulation of the problem of this research is What are the factors - factors that cause the occurrence of vigilante actions, How is law enforcement against perpetrators of vigilante acts (Study in the Legal Area of ​​the West Semarang District Police). The type of research used in this study is juridical normative. The research specifications are analytical descriptive. This study uses two sources of cracked data: primary data and secondary data. The method of presenting data in research is done in a descriptive way. The analysis used in writing this thesis is qualitative. The results showed that, the factors that caused the act of vigilantism were spontaneous arising from a group of people who came from social pressure factors, lack of public trust in law enforcement officials, lack of knowledge of people who conduct vigilante about the law and busy people capture the moment of vigilante with a cellphone rather than having to break up. Law enforcement against perpetrators of vigilante conduct (Studies in the Legal Area of ​​the West Semarang District Police) by conducting, overcoming, and minimizing the occurrence of vigilante acts both from the policy of penal policy (repressive) in accordance with article 27 paragraph (1) of the 1945 Constitution, article 170 paragraph (1) and (2) KUHP, article 351 paragraph (2) and (3) KUHP, article 338 KUHP article 354 paragraph (1) and (2) as well as non-penal (preventive) is done by conducting counseling to the community in the area - areas considered to be the scene of vigilantism and carrying out routine patrols.   Keywords: Factors, Enforcement, Self-Performing Judges.  

ABSTRACT An environmental permit is a permit given to any person or initiator who wishes to undertake a business and / or activity that is required to be UKL-UPL in the framework of environmental protection and management as a condition of obtaining a business and / or activity license. Violations committed by PT. Hadi Putra Makmur related to the issue of obligations and prohibitions, especially regarding licensing, efforts to manage and monitor the environment, hereby the supervision of DLH enforces by giving administrative sanctions. The above is the basis for the author to take the title "ADMINISTRATIVE LAW ENFORCEMENT ON IMPORTANT ACTIVITIES THAT DO NOT HAVE DOCUMENTS UKL-UPL (Study of PT. Hadi Putra Makmur Semarang City)." In this research, the authors raise the problems, namely: a. How is administrative law enforcement for activities that have no significant impact that do not yet have UKL-UPL documents? b. What are the obstacles that arise in the administration of administrative law for activities that do not have significant impacts that do not have UKL-UPL documents? c. What is the Role of Administrative Law in Enforcement of Environmental Law? The method used is to use the type of juridical normative research with descriptive analytical research specifications, secondary data sources with data collection methods through literature study and interviews, and the method of presentation and data analysis methods using descriptive analytical methods. The purpose of this study is to explain the application of administrative sanctions for activities that do not have significant impacts that do not have UKL-UPL documents. Barriers that arise in the enforcement of administrative sanctions for activities that do not have a significant impact that do not have UKL-UPL documents, and the role of administrative law in environmental law enforcement. The results showed that PT. Hadi Putra Makmur has violated licensing, environmental management and monitoring efforts, DLH Semarang city has imposed administrative sanctions in the form of government coercion in accordance with PP no. 37 of 2012 concerning environmental permits. Administrative sanctions are legal instruments used for the first time by DLH in enforcing cases conducted by PT. Hadi Putra Makmur.   Keywords: Administrative Enforcement, Environmental Permit, UKL-UPL

The issue of legal protection for consumers is one that is championed in order to provide protection for the community as consumers. BPOM Semarang City has the duty to provide services for the community to supervise the circulating products to ensure their safety, however, there are still products that contain hazardous substances in circulation. Therefore this thesis is entitled "The Function and Role of BPOM in Consumer Protection Against Foods Containing Hazardous Ingredients in Semarang City".                The problem under study is to find out how the function and role of BPOM in dealing with food containing hazardous ingredients, what efforts have been made by BPOM on foods containing hazardous ingredients and the rights obtained by consumers in order to be safer against substances that contain hazardous ingredients.                The research method used is the type of normative juridical legal research. Specific research is descriptive analysis of primary and secondary data sources. Data collection methods used are interviews and literature study with research locations at BPOM Semarang City.             Based on the research obtained shows that the position of consumers is weak compared to producers, so consumers need the existence of UUPK and POM agencies as supervisors on the feasibility and safety of drugs and food to avoid losses suffered by consumers considering that there are still dangerous substances in the circulating products. The role of the government needs to be maximized in controlling, supervising and coaching and counseling to consumers and businesses.

ABSTRACT Quality of natural ventilation in low rise public housing in Jakarta tends to be low. Situation mentioned above presumably caused by several case, among other form and unadequate opening placement, unadequate furniture placement, form and orientation of public housing mass and minimum building protection from sun radiation. Whereas natural ventilation have an importent role in increasing indoor air quality, increasing occupant healthy and help increasing electricity consumption eficiency. The objective of this research is attempt solving natural ventilation problems in low rise public housing architecturally through designs that could used for occupant activity precisely and presenting good natural ventilation simultaneously so it can support occupant activity in public housing as efficiently, comfortable, healthy and secure. Research begins with conduct an observation towards existing public housing in Jakarta through interview, documentation of existing public housing condition and studying public housing designs through working documents and related standards. Collecting climate data especially wind velocity conducted to get illustration of condition that take place in definite period. Those data then analyzed to produce a model formula of public housing building that tested later with computer. The result of research show that the problems of natural ventilation in low rise public housing can be solved by accurately building design that can adapt with surrounding nature. Quite significant positive change occurs after modification does to the existing unit. Hopefully government through certain official can produce public housing design which more optimal, especially in natural ventilation. People also could knowing the caused of natural ventilation problems inside the room also could solving it by simply, efficiently and accurately through the result of this research. Some advantages occupant could gained are good and prevalent airflow inside the room, reducing air conditioning equipment utilization frequency, less maintenance cost and can it can works all the time.  Keywords: natural ventilation, sun radiation, electricity consumption efficiency, indoor air quality, low rise public housing, wind velocity