Recurrent peptic ulcer after gastric resection is called recurrent peptic ulcer, among which the recurrent ulcers on the anastomosis or adjacent jejunal mucosa are the most common, called anastomotic ulcer. The average incidence rate of anastomotic ulcer is1-10%, of which95% occur after duodenal ulcer surgery2-4% occur after gastric ulcer surgery2% occur after combined ulcer surgery. More men than women. The incidence of anastomotic ulcer is related to the first type of gastric resection, more common in gastrojejunal anastomosis, and its occurrence is mainly postoperative2-3The most common year.