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采用病例-对照研究方法，对50例青年人原发性肝癌与病人住地附近“健康者”进行流行病学调查和致病多因素探讨。比较乙肝病毒（HBV）、丙肝病毒（HCV）感染、饮酒等多因素作用的大小。单因素分析表明，HBV感染、肝癌家族史与青年人肝癌关系密切，OR值分别为25、3倍。提示HBV感染在青年人肝癌中的作用远远高于其他危险因素。
A case-control study was conducted to investigate the epidemiological investigation and multifactorial investigation of 50 cases of primary hepatocellular carcinoma and “healthy people” near the patient’s place of residence. Compare the effects of multiple factors such as hepatitis B virus (HBV), hepatitis C virus (HCV) infection, and alcohol consumption. Univariate analysis showed that the family history of HBV infection and liver cancer was closely related to young people’s liver cancer, and the OR values were 25 and 3 times, respectively. It is suggested that the role of HBV infection in young human liver cancer is much higher than other risk factors.