Exercise is safe and effective in children with asthma. After gradual exercise, the exercise tolerance can be improved, and the child’s resistance to disease and rehabilitation ability can also be improved. Therefore, children with asthma should be scientifically instructed to exercise, make appropriate exercise plans, choose appropriate exercise items and exercise methods, gradually increase the amount of exercise and be consistent, such as cold water face washing, swimming, walking, jogging, gymnastics, playing ball, cycling, etc. Special breathing training can also be carried out, such as blowing harmonica, blowing balloons, practicing singing, doing medical gymnastics, etc. This can enhance physical fitness, reduce respiratory tract infections and prevent asthma attacks.