NLA（humanleucocyteantisen）是人类白细胞表面抗原中与其他组织细胞共有的最强的同种抗原。近年来许多研究者探讨HLA作为遗传标记与疾病的关系。消化性溃疡常有家族性发病倾向，我们测定了177例消化性溃疡患者的HLA类型并进行了统计学处理。临床资料177例患者经胃镜检查确诊 NLA (human leucocyte antisen) is the strongest alloantigen shared by human leukocyte surface antigen and other tissue cells. In recent years, many researchers have explored the relationship between HLA as a genetic marker and disease. Peptic ulcer disease often have a familial tendency, we measured 177 cases of patients with peptic ulcer HLA type and carried out a statistical treatment. 177 cases of clinical data confirmed by gastroscopy