消化性溃疡的致病因素比较复杂。从70年代开始有不少学者认为消化性溃疡中O型血者比其它血型者不成比例地增高,这可能与遗传因素有关。为此,笔者对消化性溃疡患者家族进行调查,现将调查结果报道如下:一、调查对象本组是 Pathogenic factors of peptic ulcer is more complicated. Since the 1970s, many scholars believe that O-type blood in peptic ulcer patients disproportionately higher than other blood types, which may be related to genetic factors. To this end, I conducted a survey of patients with peptic ulcer patients, the findings are reported as follows: First, the survey This group is