Medicines for repairing gastric mucosa include bismuth potassium citrate, gefalconate, aluminum thiosulfate and so on. 1. Bismuth potassium citrate: It can form a protective film at the ulcer and promote the healing of ulcerated tissue. It can also reduce the activity of pepsin and promote mucus secretion, thus protecting the gastric mucosa. It can be used for chronic gastritis, stomach pain caused by excessive stomach acid, heartburn and peptic ulcer. 2. Aluminum thioglycollate: Used in the treatment of gastric and duodenal ulcer, it is a kind of gastric mucous membrane protective agent, which can promote the repair and healing of gastric mucous membrane. Common constipation, occasional diarrhea, nausea, dry mouth and other adverse reactions, may affect the metabolism of phosphorus during the use of drugs. Liver insufficiency should be used with caution; pregnant and lactating women should be cautious. 3. Gefalter: It can be used to treat gastric and duodenal ulcers, acute and chronic gastritis, colitis, stomach cramps and so on. It can promote the healing of gastric mucosa and functional recovery. Occasionally see dry mouth, nausea, palpitation, constipation and other adverse reactions. It is contraindicated in pregnant women. Other medicines for repairing the gastric mucosa include misoprostol. It should be noted that all of the above drugs should be used under the guidance of a doctor, and should not be used without authorization.