The child is thin and poor resistance should be taken to give the child more food with high nutrients, pay attention to sleep, strengthen the exercise and other measures. 1. usually give the child to eat food with high nutrients: children in the growth and development stage, the need for nutrition, if the child is not enough nutrients, resistance is poor, usually can eat more meat such as fish, beef, etc., as well as a variety of fruits and vegetables, to enhance the child’s ability to resist. 2. Focus on sleep: the child’s sleep time, but also growth and development, enhance the resistance is very important, need to maintain the child sufficient sleep time. 3. Strengthen exercise: exercise is an important way to improve cardiorespiratory function and strengthen the body, you can encourage your child to do more aerobic exercise, such as running, swimming, etc., which can effectively improve the child’s resistance.