Gastric flatulence, old exhaust can be seen in functional dyspepsia, digestive system tumors, chronic gastritis, gastroesophageal reflux disease, but not only suggestive of these four diseases. 1. Functional dyspepsia: mainly related to gastric fundus tolerance diastolic dysfunction, manifested as loss of appetite, abdominal fullness, increased exhaust, can be taken orally to promote gastrointestinal peristalsis drugs, such as itopride, domperidone, mosapride. 2. Tumor of digestive system: such as gastric cancer, intestinal cancer, etc., which can block the intestinal tract and cause incomplete intestinal obstruction, and the fermentation of residual food, causing gastric distension and exhaustion, and its treatment is mainly based on surgical resection, which can be combined with radiotherapy, such as Paclitaxel and Vincristine. 3. Chronic gastritis: mostly accompanied by Helicobacter pylori infection, mostly use quadruple therapy, such as omeprazole, amoxicillin, metronidazole, bismuth pectin and so on. 4. Gastroesophageal reflux disease (GERD): it can also cause bloating and farting, and can be treated with omeprazole, ranitidine, magnesium aluminum carbonate tablets, etc. to inhibit the secretion of gastric acid or antacids. The above symptoms can also be seen in the irritable bowel syndrome, mental anxiety and other conditions, and is not limited to the above four cases, regardless of the situation, should consult a doctor in a timely manner, under the guidance of a professional physician to determine the cause of the disease.