Abdominal bloating, bowel movement is not considered may be related to irritable bowel syndrome, anal fissure, intestinal obstruction and so on. 1. Irritable bowel syndrome: Irritable bowel syndrome is a common functional bowel disease. When the patient’s mood changes, it may cause a significant decrease in the frequency of gastrointestinal peristalsis, the intestinal contents of the obstruction of the discharge of the intestinal bacterial decomposition of a large number of gases, which makes the patient appear bloating, the symptoms of fecal impassability. 2. Anal fissure: Anal fissure is a small ulcer formed after cracking the skin layer of the anal canal under the dentate line. When the patient defecates, because of the stimulation of the nerve endings in the fissure lesion, the patient will immediately feel burning or cutting pain in the anal canal. Patients may be reluctant to defecate for fear of pain, which may cause constipation and abdominal distension over time. 3. Intestinal obstruction: when patients have intestinal obstruction, the intestinal lumen becomes narrow, the intestinal contents can not be discharged smoothly, and stay in the gastrointestinal tract for a long time, which is decomposed by bacteria and produces a large amount of gas, which leads to abdominal distension that can not be discharged. It is recommended to go to the hospital in time to improve the gastroscopy examination, to clarify the cause of the disease under the guidance of professional physicians, and to give targeted treatment.