The common causes of unshaped stools, but not diarrhea are: a. Indigestion. Most of the above symptoms have recently appeared, with the consumption of greasy, fried food too much, more than the gastrointestinal tract digestion and absorption capacity, the need to supplement digestive enzymes + intestinal probiotics to regulate. Second, chronic colitis. If the above symptoms for more than 2 months, the disease needs to be considered. The diagnosis needs to go to the gastroenterology department to do a colonoscopy to clarify, after the diagnosis can be regulated with intestinal probiotics + drugs to protect the intestinal mucosa, such as compound glutamine enteric capsules. Third, colon polyps. The above symptoms will also last for more than 1 month, need to do a colonoscopy to clarify, after the diagnosis need to perform electrocoagulation electrosurgery under the electronic colonoscopy. Fourth, tumors of the intestine. It is often accompanied by a change in the color of the stool, manifested as black stools and accompanied by hidden pain in the lower abdomen, and requires colonoscopy to clarify.