The discomfort that causes patients to alternate between constipation and diarrhea is mainly categorized into physiological factors (e.g., emotional stress, improper diet, etc.). As well as pathological factors (such as intestinal tuberculosis, irritable bowel syndrome, etc.). 1. Physiological factors:When the patient’s emotional tension, improper diet, resulting in intestinal dysfunction, can appear constipation, diarrhea alternately. At this time, the patient manifested as abdominal pain, abdominal ringing, a sense of urgency and heaviness, etc., usually after defecation can be relieved on their own. 2. Pathological factors: when the patient due to intestinal tuberculosis or irritable bowel syndrome, will cause constipation and diarrhea alternating discomfort. Clinical manifestations of abdominal pain, abdominal distension and other symptoms, and in severe cases, pus and blood stools. It is recommended that patients go to regular hospitals for colonoscopy and other examinations, after a clear diagnosis, under the guidance of the doctor to treat the cause. If the patient has constipation and diarrhea, it is recommended to consult the gastroenterology department in time to complete the colonoscopy examination to make a clear diagnosis.