The symptoms of eating less and having more stools are mainly considered to be caused by inflammatory diseases of the digestive tract, and the common types of diseases include ulcerative enteritis, amoebic dysentery, adenoviral enteritis, etc. The gastrointestinal tissues are infected by pathogens, which will cause peristalsis and absorption disorders. Because the gastrointestinal tract tissue is infected by pathogens, will cause its peristaltic hyperactivity and absorption disorders, a large number of nutrients in the digestive tract and water can not be absorbed and utilized normally in the state of metabolites in the form of rapid entry into the excretory system, and discharged from the body, which results in the patients with such diseases appearing frequent stools, loose stools and other symptoms. However, it is not excluded that patients may have irritable bowel syndrome, small bowel malabsorption syndrome, ileal tumors and other non-inflammatory diseases, the specific cause of the disease need to go to the hospital to receive further detailed examination to make a clear diagnosis, such as fecal culture test, abdominal CT, gastroenteroscopy.