Pooping three or four times a day is not necessarily normal. It may be caused by physiological factors such as overeating, or it may be caused by pathological factors such as ulcerative colitis and irritable bowel syndrome. 1. Physiological factors: overeating, eating cold, hard, spicy and stimulating foods, such as strong tea, coffee, alcohol, ice cream, hot and spicy, fried chicken, etc., which stimulate the gastrointestinal tract and promote gastrointestinal peristalsis, which can cause abdominal pain, diarrhea, nausea, vomiting, and loss of appetite and other symptoms. 2. Pathologic factors: (1) Bacterial dysentery: Dietary impurity leads to dysentery Shigella invasion of the intestinal tract, leading to local inflammation of the intestinal tract and cause increased intestinal secretions, the appearance of a sense of urgency, mucus, pus and blood stools and other typical symptoms, increased frequency of stools and cause abdominal pain. (2) Ulcerative colitis: it is a kind of non-specific autoimmune intestinal disease related to autoimmunity and heredity, which can be manifested as recurrent diarrhea and abdominal pain, with a long and prolonged course. Diarrhea in the acute phase, the number of bowel movements increased significantly. (3) irritable bowel syndrome: a group of intestinal diseases without organic changes, only functional changes, can manifest as diarrhea, constipation, nausea, wasting, loss of appetite and other symptoms. Three or four times a day poop is recommended to seek timely medical attention in order to clarify the diagnosis, under the guidance of the doctor for targeted treatment.