I. What is a gastric ulcer? Ulcers are formed when the mucosal surface of the stomach is defective and the depth reaches or exceeds the submucosa due to the interaction of H. pylori infection, gastric acid, proteases and other causes. Second, what are the clinical manifestations of gastric ulcer? 1, the main symptom is regular stomach pain, usually in the upper abdomen, the most typical pain time is 1-2 hours after meals 2, some people manifested as epigastric distension, belching, indigestion, epigastric discomfort after meals, etc. 3, some older people for “dumb” ulcer, that is, no feeling. The first manifestation of bleeding ulcers is the clinical manifestation of vomiting blood or black stools that appear suddenly as a symptom. The best examination method is gastroscopy. IV. Is it possible to have a history of gastric ulcer and recent recurrence of symptoms without gastroscopy? Gastroscopy is recommended because gastric ulcers can easily become malignant. There are many reasons, 1, the primary cause is H. pylori infection 2, drugs: the most common are aspirin and painkillers (fentanyl, Intravenous, etc.), anti-coagulant drugs (Poliovel, Tyga, warfarin, etc.), long-term use of hormones can also cause ulcers 3, high stomach acid 4, mental stress 5, diet, life irregularities 6, how to treat gastric ulcer? 1.Acid control 2.Protect the mucous membrane 3.Kill H. pylori 4.Quit smoking and alcohol, maintain a regular life, and relax 6.When can I stop the medication for gastric ulcer treatment? It takes time for the ulcer to heal, usually 4-8 weeks, so even if there is no more pain, you should still insist on the medication and review the gastroscopy before stopping the medication to confirm that the ulcer is healed before stopping the medication. 7. Can gastric ulcer become cancerous? Can gastric ulcer become cancerous? Will gastric ulcer recur after being cured? Most of them will recur, usually in early spring and late autumn. What if I have heart disease and need to take aspirin enteric soluble tablets? Be sure to take the acid control medicine at the same time, and it is better to kill H. pylori in advance if you have H. pylori infection.