我们对1305人用血凝法进行了乙型肝炎表面抗原(以下简称HBsAg)携带率的调查。发现有4种高发人群(家属有肝病史者、化工人员、食堂工作人员以及胃病患者),其中胃溃疡、胃炎患者HBsAg携带率(17.2％)比一般健康人群(9.4％)高。为了弄清HBsAg携带与胃病类型的关系,我们对胃病进行了临床诊断分型调查,发现胃 We conducted a survey of 1305 carriers of Hepatitis B surface antigen (hereinafter referred to as HBsAg) by hemagglutination method. There were 4 high prevalence groups (family history of liver disease, chemical workers, canteen workers, and patients with gastric diseases). Among them, gastric ulcer and gastritis patients had higher HBsAg carrier rate (17.2%) than the normal healthy people (9.4%). In order to understand the relationship between HBsAg carrier and the type of stomach, we conducted a clinical diagnosis of gastric disorders typing and found that stomach