自从1983年幽门螺杆菌(HP)被首次分离之后,人们对这个致病菌进行了广泛深入的研究,发现其可导致胃、十二指肠溃疡和慢性胃炎并且和胃恶性肿瘤有密切关系犤1～2犦,随着对该菌的不断深入研究,对HP感染的诊断和治疗也积累了丰富的经验。1HP感染的流行病学在不同的国家和地区,同一 Since the first isolation of Helicobacter pylori (HP) in 1983, extensive and in-depth studies have been conducted on this pathogen and found to cause stomach, duodenal ulcer and chronic gastritis and to be closely related to gastric malignancies 1 ~ 2 犦, with the continuous study of the bacteria, HP infection has also accumulated a wealth of experience in the diagnosis and treatment. The epidemiology of IHP infection is the same in different countries and regions