Abstract: In recent years, the high price of soybean is affected by the national policy and market regulation, and the enthusiasm of farmers for planting is high, while the diseases, pests and weeds are the main factors restricting the yield of soybean. In soybean cultivation in Fujin City, soybean root rot, soybean aphids, soybean leaf-eating pests, soybean gray spot, soybean downy mildew, soybean food worms and resistant weeds such as prickly cabbage, red root amaranth and duck toe are common, scientific and rational use of chemical pesticides is the most important. This experiment studied the rational distribution of chemical pesticides, the integrated control of soybean diseases, pests and weeds by seed treatment, control of flowering and podding diseases, control of soybean heartworm, herbicides and herbicides were studied to increase production and income and protect the environment.