Stunting is a chronic nutritional problem in toddlers caused by a lack of nutritional intake for a long time so that the child becomes too short for his age. Based on the results of the Indonesian Nutrition Standards Survey (SSGI) in 2022 in Riau province, it reached 17.0%. The prevalence rate of stunting in Pekanbaru reached around 16.8% in 2022. According to the Health Office in 2022, Lima Puluh Health Center recorded the highest prevalence of stunting at 4.47% or 60 cases. One of the risk factors that contributes to stunting is the low coverage of complete basic immunization, which can prevent infectious diseases that can interfere with children's growth and development. However, the lack of public knowledge and awareness of the importance of complete basic immunization increases the risk of infection. The long-term impacts of stunting include cognitive impairment, developmental delays, and low productivity in the future. Knowing the relationship between the completeness of basic immunization and the incidence of stunting in toddlers aged 24-36 months in the Lima Puluh Health Center work area, Pekanbaru City. to determine the relationship between the completeness of basic immunization and the incidence of stunting in toddlers aged 24-36 months in the Lima Puluh Health Center work area, Pekanbaru City. From the results of data analysis, a relationship has been found between the completeness of immunization and the incidence of stunting in toddlers aged 24-36 months in the Lima Puluh Health Center work area (p-value = 0.03; OR of 11.66; (95% CI = 1.22-110.95). Completeness of basic immunization is related and is a risk factor for stunting in toddlers aged 24-36 months in the Limapuluh Health Center work area.

Community Service Program (KKN) are one of the mandatory programs that must be carried out by students. This TOGA knowledge increasing activity is a form of the Community Service Program (KKN) work program which aims to increase the knowledge and skills of SMAN 2 Dumai students in cultivating family medicinal plants (TOGA). TOGA can be used to treat various diseases such as fever, fever, cough, stomach ache and itching. Usually the medicinal plants chosen are plants for first aid for minor illnesses such as fever and cough. Through training activities and TOGA planting practices on empty school land, students, especially PMR members, are actively involved in the cultivation process. The results of the activity showed an increase in students' awareness of the benefits of TOGA and their ability to identify and care for various types of medicinal plants. Apart from that, the presence of TOGA in the school environment also contributes to creating a healthier and more beautiful learning environment.