Corn and soybeans play a very important role in food production and practical life in China.It is urgent to expand the soybean planting area without reducing the corn planting area.The corn and soybean strip composite planting techniques were elaborated from the aspects of technical principles,variety selection,planting mode,reasonable fertilization,pest and disease control,and real-time harvesting,aiming to solve the problem of land competition for corn and soybean and improve farmers'income.