Only eat without pooping, consider and constipation, gastrointestinal dynamics, intestinal obstruction and other factors. 1. Constipation: the cause of constipation is relatively clear, and it is considered to be related to the intestinal disease colon transportation and defecation dysfunction, endocrine diseases and other factors or a combination of factors, which may lead to dry stools, difficult to discharge. 2. Insufficient gastrointestinal power: frequent consumption of refined food, usually less exercise leads to insufficient gastrointestinal power, may also appear the above symptoms. 3. Intestinal obstruction: organic lesions such as intestinal polyps and tumors lead to incomplete obstruction of the intestinal tract and obstruction of fecal discharge, resulting in reduced defecation, which is also the main reason why patients only eat but do not poop. It is recommended to increase the amount of water intake, increase the intake of fresh vegetables and fruits, perform clockwise abdominal rubbing, and go to the gastroenterology department of the hospital if necessary. If it is caused by pathological factors, it is recommended to treat for the primary disease.