Tomatoes are very common vegetables with rich nutritional value. But in the process of planting, tomatoes will be drilled by insects. What should we do with them? Different drugs are used for different insects. If it is an aphid, it should be treated with marathon emulsion. Generally, it can be relieved by spraying for 2 ~ 3 times. If you don't want to spray with chemical agents, it is recommended to use self-made agents, that is, washing powder, diluted in the ratio of 1: 100. Or you can boil fresh pepper and water in a pot for half an hour, then cool it in a cool place, and then use it to treat tomato pests. Pay attention to protection work at ordinary times. Generally, during the hot and humid weather, it is the peak of insect pests.