Children without bowel movement may be caused by constipation, intestinal obstruction, irritable bowel syndrome and other factors, which should be promptly adjusted diet, and timely medication or surgical treatment. 1. Constipation: If children drink less water on weekdays, the intake of vegetables and fruits is also less, which may lead to constipation, then the diet should be adjusted in time to increase the intake of dietary fiber, and at the same time, the use of lactulose oral solution and other drugs, to improve the situation of constipation. 2. Intestinal obstruction: foreign bodies in the intestines, intussusception and so on may block the intestinal tract, leading to intestinal obstruction, which will lead to the symptom of stopping defecation in the anus, and then enemas and laxatives should be administered or surgery should be carried out for treatment. 3. Irritable bowel syndrome: generally to abdominal pain, abdominal distension, abdominal discomfort as the main symptoms, often accompanied by constipation, diarrhea and other manifestations, can be adjusted through dietary such as eating high-fiber foods such as celery, etc., and at the same time, can be used to help ease the laxatives such as lactulose oral solution. If the child does not have bowel movement for a long time, it is recommended to consult a doctor in time and actively treat the problem to avoid adverse consequences. The above medications should be used in accordance with medical advice.