Children who can’t hold their bowel movements may be caused by indigestion, imbalance of intestinal flora, acute enteritis, etc. Choose the appropriate treatment according to the different causes. 1. Indigestion: Eating cold food or cold abdomen may cause indigestion, gastrointestinal dysfunction, bowel movement can not be held, can use montelukast to stop diarrhea, pay attention to replenish water and electrolytes. Should avoid ice-cream, chili and other cold and spicy food, you can choose noodle soup, millet porridge and other light and easy to digest food, sleep, pay attention to keep the abdomen warm. 2. Imbalance of intestinal flora: Imbalance of intestinal flora stimulates gastrointestinal peristalsis to accelerate, and defecation can not be held, you can take Bifidobacterium bifidum, Bacillus licheniformis, etc. to promote the growth of beneficial bacteria and improve the balance of intestinal flora. 3. Acute enteritis: due to bacterial or viral infections, inflammation stimulates the intestinal mucosa to secrete more fluid, there may be diarrhea, children can not hold their bowel movements. You can use norfloxacin, levofloxacin, etc. to inhibit bacterial growth and relieve the inflammatory response; montelukast, etc. to stop diarrhea; at the same time, pay attention to replenish water and electrolytes. The phenomenon may also be caused by other reasons such as anal sphincter relaxation, should be timely consultation, under the guidance of the doctor to identify the causes and treatment, do not blindly use drugs to avoid adverse reactions.