Gastrointestinal ulcer: First, to carry out acid suppression and gastric protection treatment to reduce excessive secretion of gastric acid, stimulating the ulcer surface leading to the aggravation of the disease, the first choice of proton pump inhibitors, representative drugs are omeprazole, pantoprazole, rabeprazole, esomeprazole, can also choose H2 receptor antagonists, representative drugs are ranitidine, famotidine. Second, the use of drugs to protect the gastric mucosa, such as aluminum thioglycollate, bismuth potassium citrate, magnesium aluminum carbonate granules. Third, the anti-Helicobacter pylori drugs, anti-Helicobacter pylori treatment is a very good way to treat gastrointestinal ulcers, the choice of quadruple therapy for anti-Helicobacter pylori treatment.