There are physiological and pathological reasons for the increase in the number of stools, mainly the following: First, eating too much or eating more often, the corresponding total number of stools and the number of times will also increase, which is a normal physiological phenomenon. Second, improper diet, overeating or eating too much too cold, too hot, spicy, stimulating food, will stimulate the gastrointestinal mucosa caused by gastrointestinal peristalsis increased, causing an increase in the number of stools. Third, viral and bacterial infections, eat unclean food or use unclean tableware, resulting in viral or bacterial infections can lead to acute gastroenteritis, usually with diarrhea and fever symptoms. Fourth, digestive system diseases, such as acute and chronic gastritis, gastric ulcer, duodenal ulcer and intestinal tumors, gastrointestinal dysfunction may lead to increased stool.