Children’s constipation is divided into functional constipation, organic constipation, functional constipation can not come out and improper diet and so on, organic constipation may be congenital megacolon, intestinal obstruction and other gastrointestinal disease factors. 1. Improper diet: children who are only occasionally constipated, and there are no other adverse reactions, such as abdominal pain, depressed mental state, loss of appetite, etc., may be a functional constipation caused by improper diet, such as the recent consumption of too much spicy and stimulating food, meat and vegetables do not match well. After adjusting the diet can be relieved. 2. gastrointestinal diseases: children who often appear constipation, and also accompanied by abdominal pain, abdominal distension, loss of appetite, etc., may be congenital megacolon, intestinal obstruction and other gastrointestinal diseases caused by organic constipation, need to consult a doctor in a timely manner to find out the cause of the disease, surgical treatment. Children constipation can not pull out suggest timely to the hospital for relevant examination, clear cause of the disease after active symptomatic treatment.