Intra-abdominal intestinal visible gas is mostly related to irritable bowel syndrome, intestinal obstruction, intestinal tumors and other causes. It is recommended that the patient go to the hospital in time, clarify the cause of the disease, and treat the cause of the disease. 1. Irritable bowel syndrome: it may be caused by psychological, food, genetic, infection and other factors. Mainly manifested as abdominal discomfort or abdominal pain, diarrhea and other symptoms, X-ray examination can see a large amount of gas in the intestinal tube. 2. Intestinal obstruction: It can be caused by foreign body in the intestine, intussusception, intestinal torsion, foreign body or fecal blockage. The main manifestations are abdominal pain, vomiting, abdominal distension and cessation of defecation, etc. X-ray can see the plane of gas and liquid in the intestinal tube (standing position). 3. Intestinal tumor: usually there are no obvious symptoms in the early stage of tumor, with the progress of the disease, the tumor blocks the intestinal tract, there may be flatulence, blood in stool, urgency and heaviness (discomfort in the lower abdomen, wanting to relieve the stool very much, and feeling of incomplete defecation after defecation), etc. The abdominal cavity can see the accumulation of gas in the intestinal tube. There are many other reasons for the visible accumulation of gas in the intestinal tract in the abdominal cavity, such as enteritis, bacillary dysentery, food poisoning, starvation and other conditions. It is recommended that the patient go to the hospital in time for relevant examinations to clarify the cause of the disease.