The abdominal distension with gas discharge is usually caused by constipation, functional dyspepsia, organic disease, need to clarify the cause of targeted treatment. 1, constipation: feces accumulation in the intestinal tract for a long time, which leads to abdominal distension with gas discharge, can be clarified by X-ray examination. Treatment should pay attention to the regulation of diet, avoid spicy and stimulating food, eat more fiber-rich food, such as corn, potatoes, fresh vegetables and fruits. Those with more severe symptoms can take oral simple laxatives such as mannitol, lactulose, etc. under the guidance of a doctor. 2. Functional dyspepsia: due to poor living and eating habits, such as eating too much indigestible food, overeating, inhaling cool air when eating or swallowing, not chewing sufficiently, sitting without exercising after eating, food too spicy and dry, etc. It may also be caused by emotional abnormalities, such as emotional irritability, irritable people, easy to appear small abdominal distension and pain with gas can not be discharged. Functional dyspepsia needs to eat less and more meals, avoid eating a lot of food at one time to avoid increasing the burden on the digestive tract. Drugs that reduce visceral sensitivity, such as 5-hydroxytryptamine inhibitors, drugs that inhibit gastric acid secretion such as omeprazole, gastric mucosal protectors such as bismuth, gastrointestinal motility promoters such as domperidone, drugs that regulate intestinal flora such as bifidobacteria, and antispasmodics such as scopolamine, can be chosen as prescribed by the doctor. For patients who present with obvious mental or emotional depression and anxiety, antidepressants and anxiolytics can be used for treatment; 3. Organic diseases: including gastritis, gastric ulcer, intestinal distension, intestinal obstruction, etc. The first two mainly manifest as postprandial stomach discomfort and pain, accompanied by nausea, vomiting, indigestion, etc., which can be clearly diagnosed by gastroscopy. Intestinal flatulence is manifested by a bulging abdomen, which is like a drum when tapped. Intestinal obstruction manifests as severe abdominal pain, nausea, vomiting, exhaustion and defecation disorders, etc. It is a surgical emergency abdominal disease and should be diagnosed and treated by surgery in time.