Flatulence is often seen in indigestion, dietary factors and medication factors, etc., need to take general treatment for the cause and medication measures to alleviate, commonly used drugs are mosapride, domperidone, etc.. 1. Indigestion: most commonly seen in overeating or overeating greasy food, etc., can be appropriate to take to promote digestion of drugs, such as mosapride, domperidone, and abdominal massage, to promote intestinal peristalsis, to help exhaust. 2. Dietary factors: such as eating a lot of onions, potatoes and other foods can lead to increased gas production, easy to appear the phenomenon of abdominal distension, usually after improving the diet structure, the symptoms will gradually ease. 3. Drug factors: may be due to large amounts of calcium carbonate and sodium bicarbonate and other drugs lead to intestinal production of large amounts of carbon dioxide, thus causing abdominal distension, usually after stopping the use of drugs, the symptoms will gradually be relieved. Small abdominal distension may also be related to other causes, if the symptoms continue to be unrelieved, should be timely to the hospital, under the guidance of a professional physician to identify the causes, and targeted treatment or therapy.