Education on the Concept of Waste Bank, Green Economy, and Circulating Money to the Community is carried out in order to understand how its application becomes a household income opportunity, for example by becoming a new source of income from saving household waste that has been applied so that it is able to read the economic and environmental problems that occur. How the impact of the Waste Bank on income from household waste. Which is related to improving household welfare through community knowledge / understanding related to Waste Bank, Green Economy, and Circulating Money. From this community service, the results show that with the existence of the Waste Bank, the application of the Green Economy concept can be seen from the collection of household waste easily collected at the Waste Bank, the community becomes a customer, has savings, withdraws money, then continues consumption shopping from the money, which means there is buying and selling activity in the market because there is money circulating in the community. This affects economic activity in the Medan Belawan sub-district.

The community service activity with the title "Socialization of Technology Utilization and Tax Modernization at SMK Negeri 1 Medan" was carried out well and smoothly. The participation and interaction of the participants in this activity greatly support the success of the activities that have been carried out. Basically, this community service activity is carried out to contribute to the field of education related to taxation.