Symptoms of food accumulation in children mainly include abdominal distension, decreased appetite and fever, which are analyzed as follows: 1. Bloating: children’s digestive ability is weak, eat too much at a time is easy to increase the burden on the stomach and intestines, resulting in indigestion, food accumulation, which can show the symptoms of abdominal bloating. 2. Decrease in appetite: Children who have accumulated food may show that they do not want to eat, have no appetite, or even anorexia and other phenomena. 3. Fever: Fever is also one of the symptoms that may occur after food retention, but usually the temperature is not too high and usually returns to normal after food retention is relieved. Children may also have other symptoms, such as sleep disturbance, etc. It is recommended that children with abnormalities should be taken to the hospital for examination and treatment under the guidance of a doctor after the cause has been identified.