Colloidal bismuth tartrate capsule is suitable for the treatment of peptic ulcer, especially Helicobacter pylori-associated ulcer, and can also be used for chronic colitis, diarrhea due to ulcerative colitis and chronic superficial and atrophic gastritis. Colloidal bismuth tartrate capsules gastrointestinal mucosal protection drug. After oral intake in the gastric juice to form a colloidal properties of very good sol, and the ulcer surface and inflammation surface has a strong affinity, can form an effective protective film, isolation of gastric acid, protection of the damaged mucosa, and stimulate the gastrointestinal mucosal epithelial cell secretion of mucus, and to promote epithelial cell repair itself. It has excellent adhesion to the damaged mucosa and has hemostatic effect. This product can also kill gastric Helicobacter pylori. Clinically, it can be used for chronic colitis, ulcerative colitis, irritable bowel syndrome and other intestinal diseases that are difficult to treat, as well as for chronic atrophic, superficial gastritis, peptic ulcer, which also has a very good therapeutic effect. Gastrointestinal symptoms such as nausea and constipation may occasionally occur with the use of this drug. Allergy to the product and renal insufficiency are prohibited. The drug is best applied under medical supervision.