Gastric bloating is mainly caused by insufficient gastric motility, insufficient secretion of digestive juices, intestinal flora imbalance, constipation, etc. Corresponding medications need to be selected according to the cause of the disease, including gastrointestinal dynamics, digestive enzyme preparations, intestinal probiotics, laxatives and so on. 1. Gastrointestinal dynamics: suitable for various causes of gastrointestinal dynamics, such as chronic superficial gastritis, peptic ulcer patients, the decline in peristaltic function of the stomach can lead to delayed gastric emptying of food, this time you can use domperidone, mosapride and other gastric dynamics. 2. Digestive enzyme preparations: for gastric distension caused by insufficient secretion of digestive juices, such as atrophic gastritis, etc., at this time, you can use digestive enzyme preparations, such as multi-enzyme tablets. 3. Intestinal probiotics: such as Bifidobacterium bifidum bifidum capsules, lactobacillus tablets, etc., suitable for patients with gastric distension caused by intestinal flora disorders. 4. Laxatives: Stubborn constipation caused by stomach bloating, can consider the use of laxatives, such as external use of Keserol, oral lactulose and so on. The above drugs should be used under the guidance of a medical professional. When stomach bloating occurs, you need to go to the hospital first, to clarify the cause of the disease, under the guidance of a professional physician to choose the appropriate medication according to the cause of the disease.