Abstract: The popularization and application of plastic film mulching cultivation technology is of great significance for increasing grain yield and income, ensuring food security and promoting the sustainable development of green agriculture, but the problem of non-point source pollution is becoming more and more serious. Combined with the implementation of the promotion project of farmland residue film mechanized picking technology, Gansu Agricultural Machinery Promotion Station organized a professional technical team to carry out the construction of the comprehensive treatment system of waste plastic film mechanization.