Abstract: In the process of tomato planting, there will be a large number of diseases and insect pests and physiological diseases,causing serious harm and reducing the efficiency of agricultural production. This paper discusses the harm of early blight, late blight,gray mold, aphid, mole skull, cotton bollworm and other diseases and insect pests on tomato, and puts forward the control countermeasures, so as to provide reference for tomato growers.