Community service activities of science and technology program for Plastic Waste Processing Society is implemented as a form of concern for environmental sustainability. Given the plastic waste is waste that takes time to decompose 50-100 years. On the other hand the potential of plastic waste in Pedurungan Sub-district of Semarang is very large. If plastic waste can be processed and managed optimally it will greatly reduce the amount of plastic waste in the area, besides also can increase people's income. This activity was held in Muktiharjo Kidul Village, Pedurungan Subdistrict, Semarang. Participants of 30 people who are members of KSM Mandiri Santoso Jaya and KSM Tri Asih Jaya. Implementation in the form of (1) Socialization of Ibm's program of activity; (2) Manufacture of plastic garbage disposal machines; (3) Training of the use of plastic counter machine; and (4) Assistance for consultation. The methods used from socialization to mentoring are lectures, frequently asked questions, and practices. IbM activities are getting a good response marked by the antuasiasme of the participants in following every stage of the activity. The result of this dedication activity is the reduction of plastic waste amount by recycle effort, increasing the family income through increasing the economic value of plastic waste, increasing the quality of activity in the garbage bank