Peptic ulcer abdominal pain is caused by gastric acid stimulation of the ulcer wound, gastric ulcer abdominal pain has a clear diet-related rhythm. Peptic ulcers include gastric ulcers and duodenal ulcers, gastric ulcers are mostly pain after eating, eating leads to a large amount of gastric acid secretion, stimulation of the local ulcer surface can lead to pain, stomach acid secretion of about 1 hour after the meal less abdominal pain symptoms can be relieved. Duodenal ulcer patients generally manifested as hunger pain, is caused by stomach acid into the duodenum caused by the ulcer surface is burned, after eating or oral antacids can be relieved. In addition, the abdominal pain of peptic ulcer may also be caused by perforated ulcer rupture, gastric contents irritation of the abdominal cavity, such pain is stubborn and persistent, and the pain is more intense, need to pay attention to identify. Patients with peptic ulcer with abdominal pain symptoms, should go to the hospital in a timely manner, under the guidance of a professional physician to clarify the cause of abdominal pain, and active treatment, so as to avoid delaying the condition.