Gastric ulcer is a common disease in gastroenterology, which is directly related to excessive gastric acid secretion, careless eating or Helicobacter pylori infection. When gastric ulcer is found, it is often accompanied by stomach acid, stomach distention, heartburn, belching and other symptoms, of which stomach pain is the most typical, manifested as rhythmic stomach pain. Generally, the symptoms will worsen after eating, and will often be alleviated when on an empty stomach. It needs to be confirmed by electronic gastroscopy. After diagnosis, it needs to find out whether there is Helicobacter pylori infection. If there is bacterial infection, it is necessary to kill Helicobacter pylori with quadruple therapy first, and then use drugs to inhibit gastric acid and promote ulcer healing. In clinical practice, omeprazole, lansoprazole, aluminum phosphate gel and other drugs are commonly used for treatment, and the course of treatment is generally about six weeks. "The above scheme is only for reference. Please use the drug according to the drug description or the doctor's advice in a regular hospital"