Children simply through the dietary structure adjustment to improve immunity and resistance effect is not obvious, need a balanced diet, combined with exercise, regular work and rest to maintain the baby’s immune function. 1. Dietary structure adjustment: parents should pay attention to give children appropriate food rich in nutrients, such as eggs, milk, lean meat, as well as fresh vegetables and fruits, etc., to ensure balanced intake of nutrients, such as the baby’s nutritional deficiencies may lead to a decline in immune function. 2. Exercise: adhere to the daily exercise, to aerobic exercise, such as jumping rope, swimming and climbing, etc., to enhance physical fitness, promote resistance to improve. 3. Regular work and rest: children should develop a good habit of going to bed early and getting up early, regular daily routine, to ensure that every day enough sleep, help to improve the physical. It is recommended that parents should do a good job of supervising and guiding their children to help them develop good habits, strengthen the body and maintain immunity.