The lack of poop in toddlers may be caused by constipation, low intake of food or congenital intestinal malformation, etc., which needs to be treated by improving feeding style, medication or surgery. 1. constipation: toddlers do not poop is usually caused by constipation due to low intake of fiber, the child needs to eat more fiber-containing foods, such as oatmeal, spinach and so on, can help relieve. If the toddler does not poop in addition to stomach pain and other symptoms, you need to follow the doctor’s instructions to use the open plug and so on to help relieve the stool, rapid treatment. 2. Eating too little: young children do not poop may also be caused by eating too little, due to eating too little, resulting in stools can not yet be in the intestinal peristalsis under the impetus to reach the rectum and thus defecation. At this time, you need to give your baby a moderate amount of food, especially the food containing more fiber, such as apples, celery and so on. 3. Congenital intestinal malformation: toddlers do not poop may also be congenital intestinal malformation, such as congenital anal stenosis, congenital megacolon, etc., which need to be treated through surgery. Parents are advised to bring their children to the doctor in time to improve the relevant examinations and standardize the treatment once they find that the toddler does not poop. In addition, drugs may cause certain side effects symptoms, if you need to use drugs should be used under the guidance of a doctor, do not blindly use drugs.