消化性溃疡(PU)主要指发生于胃和十二指肠的慢性溃疡,是世界性的常见病和多发病[1]。消化性溃疡易反复发作,并且能引发大出血、溃疡穿孔、幽门梗阻、癌变等并发症。有关资料表明,消化性溃疡的治愈率为95%,但1年内复发率高达60%～80%,而几乎100%的患者在5年内复发[2]。消化性溃疡严重影响人类生存质量,给人类生命健康带来负面作用,给社会经济造成一定负担,应积极预防。 Peptic ulcer (PU) mainly refers to the occurrence of chronic ulcers in the stomach and duodenum, is a worldwide common disease and frequently-occurring disease [1]. Peptic ulcer is easy to recurrent, and can cause bleeding, ulcer perforation, pyloric obstruction, cancer and other complications. The data show that the cure rate of peptic ulcer was 95%, but within 1 year the recurrence rate as high as 60% to 80%, while almost 100% of patients relapse within 5 years [2]. Peptic ulcer seriously affects the quality of life of human beings, has a negative effect on human life and health, creates a certain burden on the society and economy, and should be actively prevented.