Babies cry every time they poop, usually caused by physical discomfort, such as functional constipation, intestinal cramps, diaper dermatitis, etc., should be promptly consulted to identify the cause of the disease, according to the cause of treatment. 1. Functional constipation: If the baby has functional constipation, it can be due to dry stool and difficult to discharge, causing pain and bleeding during defecation, which can be accompanied by crying, loss of appetite and other symptoms. Infant baby functional constipation can also be complicated by hemorrhoids, anal fissure, rectal prolapse and so on. Lactulose and other laxatives can be taken orally to help defecation. 2. intestinal spasm: intestinal spasm is due to the strong contraction of the smooth muscle of the intestinal wall caused by paroxysmal abdominal pain, mostly with the baby’s immature development of the nervous system, the gastrointestinal tract to produce too much gas, dietary factors and so on. The main manifestation is a sudden onset of abdominal pain. When relieving stool, the frequency of abdominal pain may be accelerated due to the increase in intestinal peristalsis, resulting in crying, rolling and other symptoms. 3. diaper dermatitis: baby in the stool, such as diapers are not changed in time, buttocks by urine, feces stimulation, friction, can promote the occurrence of diaper dermatitis, which leads to a large area of local skin redness, pimples, vesicles, and therefore the child may appear pain, crying. Zinc oxide ointment can be used for treatment. Parents should pay attention to the fact that their babies cry every time they poop, and should bring them to the pediatric department of the hospital in time to find out the cause of the disease. The above medicines should be used according to the doctor’s prescription .