自1971年肿瘤死亡回顾性调查以后,广西鼻咽癌的研究着重在汉族高发区。广西有 11个少数民族,为了摸清其鼻咽癌发病情况,1983年5月至1984年8月,我们先选择罗城仫佬族自治县进行鼻咽癌血清学普查。该县地处桂北山区,总人口294,530人。这里居住着多个民族,主要有壮族126,262人,仫佬族69,236人,汉族84,092人,还有瑶、苗等少数民族。全国仫佬族只有88,700人,罗城县的仫佬族占该族总人口的90％。仫佬族 Since 1971, a retrospective study of cancer deaths, the study of Guangxi nasopharyngeal carcinoma focused on the Han high incidence area. Guangxi 11 ethnic minorities, in order to find out the incidence of nasopharyngeal carcinoma, May 1983 to August 1984, we first select Luo Cheng Gelao Autonomous County for nasopharyngeal serological survey. The county is located in northern mountainous Guangxi, with a total population of 294,530 people. There are a number of ethnic groups here, including 126,262 Zhuangs, 69,236 Mulaos, 84,092 Han and Yao and Miao ethnic minorities. There are only 88,700 Mulaos in the country, and Mulao in Luo Cheng County accounts for 90% of the total population. Mulam