This is mostly caused by gastrointestinal inflammation or anal diseases, irrational diet structure, eating unclean food and other related reasons. 1. Chronic gastrointestinal inflammation, ulcerative colitis, irritable bowel syndrome, etc., the irritating factors persist for a long time will have the state of incomplete stool. Gastroenteroscopy is needed to further determine. 2. Anal diseases such as hemorrhoids, perianal abscesses can also cause incomplete stool, because the anus has a foreign body growth, will affect the stool discharge. In addition, because of the foreign body around the anus will have irritation caused by the urge to poop. 3. Dietary structure is unreasonable, eating unclean food caused by acute diarrhea can also cause symptoms of incomplete stool, the acute stage needs to be fasting for a period of time under the guidance of a doctor to replenish the liquid treatment in a timely manner. Repeatedly, you need to consult a doctor for a digestive tract examination to determine the cause of the symptoms, do not be negligent, so as not to delay the condition.