Stomach diarrhea clinically for diarrhea, diarrhea may be bacterial infection, but also may be intestinal dysfunction or ulcerative colitis and other non-infectious factors. 1. Bacterial infections: Bacterial viral or fungal infections in the intestinal tract, usually caused by a cold abdomen or unclean diet, which leads to edema and congestion of the intestinal mucosa, manifested as diarrhea, abdominal pain or accompanied by fever and so on. 2. Intestinal dysfunction: autonomic dysfunction of gastrointestinal motility, leading to uncoordinated intestinal motility, which may cause diarrhea, or abdominal pain, abdominal distension and so on. 3. Ulcerative colitis: the emergence of intestinal ulcerative lesions is generally due to immune dysfunction, manifested in recurrent mucus, pus and blood stools, diarrhea, abdominal distension, abdominal pain. The symptoms of diarrhea, timely medical care, improve the relevant examination, clear the cause of the disease, the cause of the treatment, under the guidance of the physician treatment, follow the doctor’s instructions to use drugs, avoid self-medication, delay the condition, pay attention to diet and hygiene, do not eat spoiled food.