The diet of children with chronic gastroenteritis should pay attention to light and easy to digest, dietary hygiene and drink more water. 1. Light and easily digestible diet: children with chronic gastroenteritis are recommended to eat a light diet, but for those with severe vomiting and diarrhea, they need to eat temporarily, and then slowly resume their diet after their condition recovers, usually changing from a liquid or semi-liquid diet to a normal diet. And during the period of illness, eat less food containing protein, fat, easy to flatulence. 2. Pay attention to dietary hygiene: After children suffer from chronic gastroenteritis, they should pay more attention to dietary hygiene, and when they eat, they should wash and cook the food before eating. 3. Drink more water: after suffering from chronic gastroenteritis, children may have chronic diarrhea, it is recommended to drink more water to replenish the body’s need for water in time, so as to avoid the phenomenon of dehydration. Children with gastroenteritis, in addition to pay more attention to the diet, but also need to be diligent sunshine, more exercise, improve the body’s ability to resist disease, if necessary, under the guidance of the doctor to use the appropriate drugs for treatment.