Every four hours to defecate is a symptom of diarrhea, may be physiological factors, such as indigestion. May also be pathological factors, such as inflammatory bowel disease, irritable bowel syndrome – diarrhea type, proctitis caused by acute and severe, etc., it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease. 1. Physiological phenomenon: dyspepsia is a manifestation of gastrointestinal dysfunction, food is not thoroughly digested, causing irritation to the intestinal tract causing diarrhea. 2. Pathologic phenomenon: (1) Inflammatory Bowel Disease (IBD): Various factors that trigger abnormal immune response can lead to IBD, such as smoking, diet, etc. The main symptoms are abdominal pain, abdominal pain, and diarrhea. The main presenting symptoms are abdominal pain, diarrhea, bloody stools and weight loss. (2) Irritable bowel syndrome (IBS) – diarrhea type: anxiety, stress, and poor diet can trigger IBS – diarrhea type, which is mainly characterized by abdominal pain and diarrhea. (3) Proctitis: A variety of diseases of the rectum may cause severe symptoms, such as proctitis, rectal ulcers, rectal cancer, and so on. Rectal irritation is a kind of rectal irritation symptom, which is mainly manifested as a falling sensation in the anus, frequent bowel movements, incomplete bowel movements, and even pain in the lower abdomen. If physiological causes are ruled out, you should consult a doctor in time to clarify the specific causes and, if necessary, carry out appropriate treatment.