Children's poor appetite can be adjusted from the following aspects: 1, establish good eating habits, eat on time, and strictly control the amount of children who eat zero. 2, the food should be reasonable, and the diet should be balanced. Add enough high-quality protein every day, such as meat, milk, eggs, beans, etc. Eat more fruits and vegetables. The nutrition of every meal should be reasonable. 3. Children with weak gastrointestinal function should have a light diet and do not eat spicy, irritating, greasy and indigestible food.