Children often have fever, can be through a balanced diet and nutrition, active participation in physical exercise, maintain adequate sleep and other ways to cope with, for the enhancement of immunity has a certain degree of help. 1. Balanced diet and nutrition: in daily life, balanced diet and nutrition should be balanced, balanced intake of various types of diets, which can play a role in increasing nutrition and strengthening the body. 2. Active participation in physical exercise: active aerobic exercise, such as jogging, hiking, swimming and other sports, can promote metabolism, increase cardiorespiratory fitness, which is also helpful in enhancing immunity. 3. Maintain adequate sleep: In daily life, you should also avoid staying up late and maintain adequate sleep. The symptoms of low immunity and frequent fever must be diagnosed by a doctor in time, and the corresponding conditioning measures and medical programs must follow the doctor’s instructions.