Recommendation: Condition analysis: Duodenal ulcer is a common disease of the digestive tract. It is generally believed that the cerebral cortex receives adverse external stimulation, causing the blood vessels and muscles of the gastric and duodenal walls to Spasm occurs, causing nutritional disorders in the gastrointestinal wall cells and reducing the resistance of the gastrointestinal mucosa, making the gastrointestinal mucosa susceptible to digestion by gastric juice and forming ulcers. Currently, some people believe that it is caused by gastric Campylobacter infection. Ulcers are often single, but There are also multiple ulcers, gastric and duodenal bulb ulcers, and when they exist at the same time, they are called compound ulcers. Guidance: Drug treatment (1) Gastric acid-inhibiting drugs: 1. H2 receptor blockers. Such drugs are relatively cheap, and commonly used drugs include cimetidine, ranitidine, famotidine, etc. 2. Proton pump inhibitors. This type of drug works quickly, but is more expensive. Common ones include omeprazole, pantoprazole, lansoprazole, etc., and new drugs include rabeprazole. (2) Gastrointestinal mucosal protective drugs: These drugs include Gastrointestinal, Weixian U, Shiweisu, Maizilin, Liyuwei Tablets, etc., most of which are Chinese patent medicine preparations. (3) Helicobacter pylori-killing drugs: Most duodenal ulcers are related to Helicobacter pylori infection. Eradication of Helicobacter pylori can cure ulcers or reduce ulcer recurrence. Commonly used drugs include various bismuth agents, such as bismuth pectin, Dele, Dele, Deno, etc.; antibiotics, such as metronidazole, tinidazole, amoxicillin, gentamicin, furazolidine, clarithromycin, etc. ;Proton pump inhibitors, etc. In short, it is up to the doctor to prescribe medication according to the patient's condition and financial ability.