Gastric ulcer patients can take gastrointestinal probiotics, which can regulate gastrointestinal dysfunction and also promote gastrointestinal peristalsis and facilitate defecation. For the treatment of gastric ulcer, it is mainly to improve the symptoms of bloating and indigestion caused by gastric ulcer. The drugs that really promote ulcer healing are acid suppressants as well as bismuth agents, such as omeprazole, lansoprazole and other proton pump inhibitors, and the commonly used bismuth agents are bismuth potassium citrate and colloidal pectin bismuth. In case of gastric ulcer caused by H. pylori infection, two antibiotics are also needed in combination for H. pylori eradication treatment, and a specialist needs to be consulted for the specific medication. In general, patients with gastric ulcer can use gastrointestinal probiotics, which are not prohibited drugs.