Ultrasound shows that intestinal gas may be caused by indigestion, intestinal flora disorders and food factors. 1. Indigestion: indigestion occurs when the content of various digestive enzymes in the gastrointestinal tract decreases and the peristaltic ability of the gastrointestinal tract decreases. Due to the decrease of peristalsis of gastrointestinal tract will lead to the increase of food accumulation time in the gastrointestinal tract, and then the performance of ultrasound intestinal gas, usually accompanied by the increase of anal excretion and hiccups, you can use the compound digestive enzyme capsule to treat. 2. Disorders of intestinal flora: the decrease of probiotics in the intestines and the increase of harmful bacteria will lead to the production of more gas in the intestines, which is usually accompanied by increased intestinal exhaust, which can be improved by taking oral probiotics to improve the symptoms. 3. Caused by eating gas-producing food: when the examiner has eaten gas-producing food before the examination, such as potatoes, sweet potatoes, etc., there will be an increase in gas production, ultrasound shows that there is a lot of gas in the intestines, in which case, it is usually only necessary to adjust the diet, such as eating more vegetables and fruits, etc. The medication should be prescribed by a doctor. Medications need to be under the guidance of the doctor, no unauthorized use of drugs.