There are many reasons for abdominal distension, there may be physiological reasons such as overeating, or pathological reasons such as irritable bowel syndrome, appendicitis, intestinal obstruction and other diseases, women should also be alert to gynecological diseases, such as uterine fibroids, ovarian tumors, women of childbearing age need to be excluded from the ectopic pregnancy, the specific need for the patient to timely diagnosis to identify the cause of the disease, a clear diagnosis. 1. Physiological reasons: due to overeating or eating too much gas-producing food, resulting in gastrointestinal dysfunction, indigestion, abdominal distension symptoms, most of which can be relieved on their own. 2. Irritable Bowel Syndrome (IBS): It is mainly caused by dietary and psychological factors, and the symptoms are usually mild, often accompanied by abdominal distension, which is often relieved after defecation or exhaustion. 3. Appendicitis: If there is typical metastatic right lower abdominal pain or a history of appendicitis, you should go to the hospital in time. 4. Intestinal obstruction: When there is intestinal obstruction, it leads to narrowing or occlusion of the intestinal tract, causing poor defecation, accompanied by abdominal pain and abdominal distension, one should go to the hospital promptly. 5. Gynecological diseases: If you are a woman, you need to except whether there are uterine fibroids, ovarian tumors, ectopic pregnancy, you should go to the gynecology department in time to get a clear diagnosis. There are many reasons for abdominal distension, if there are symptoms of abdominal distension, you should consult a doctor in time to clarify the cause of the disease, treat the cause and avoid self-medication, which will have adverse effects.