Abstract: To promote soybean and maize strip composite planting, strive to make the yield of corn per unit area equal to that of clear seed, increase soybean yield as much as possible, integrate and innovate the technical model of soybean and maize strip composite planting suitable for Dacheng County, realize crop rotation between belts, improve soil structure, reduce the occurrence of diseases and insects, and reduce the use of chemical fertilizers and pesticides.