1, Apple: Apple is rich in pectin and dietary fiber, which can effectively reduce the reproduction of bad bacteria in the stomach, promote gastrointestinal peristalsis and avoid indigestion in children. Apple also contains a lot of trace elements, which can supplement the nutrients needed by the body and improve the body's resistance.

2, bananas: children eat bananas can play a role in relaxing bowels, and the potassium content in bananas is relatively high, which can help children's physical development, and can also alleviate the stimulation of gastric acid on mucous membranes in the stomach, but bananas are cold, and children can't eat too much at once.

3, grapefruit: grapefruit contains more water, children can avoid getting angry by eating some grapefruit properly, and grapefruit is rich in vitamins, which can improve children's disease resistance and appetite.