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目的:通过因子分析探讨乙肝后肝硬化的症状组合规律和证候分类及分布规律,为该病的中医辨证分型客观化提供依据.方法:采用临床流行病学的原则和方法,应用因子分析的方法对276例乙肝后肝硬化的症状及体征进行分析研究.结果:因子分析结果显示乙肝后肝硬化基本中医证型的分布依次为血瘀证(21.01％)、脾气虚证(16.30％)、肝郁脾虚证(14.49％)、湿热内蕴证(13.41％)、脾虚湿盛证(12.32％)、脾肾阳虚证(11.59％)、肝肾阴虚证(10.87％).结论:乙肝后肝硬化基本中医证候有7类,以血瘀证、脾气虚为最常见.“,”Objective:To explore the symptom combination rule and syndrome classification and distribution of the law of liver cirrhosis after hepatitis B by Factor analysis methods,providing the basis for the classification of TCM syndrome differentiation.Methods:Using the principles and methods of clinical epidemiology,the analysis of 276 cases of cirrhosis of the liver was carried out by the method of factor analysis.Results:The results of factor analysis showed that the basic TCM Syndromes of liver cirrhosis after hepatitis B were seven types:spleen qi deficiency,blood stasis,liver stagnation and spleen deficiency,dampness heat syndrome,dampness due to spleen deficiency,liver kidney yin deficiency,and spleen kidney yang deficiency syndrome.The distribution of syndrome types is obtained as following:blood stasis (21.01％),spleen qi deficiency (16.30％),liver stagnation and spleen deficiency (14.49％),dampness heat syndrome (13.41％),dampness due to spleen deficiency (12.32％),spleen kidney yang deficiency syndrome (11.59％),liver kidney yin deficiency (10.87％).Conclusion:There are seven kinds of basic TCM Syndromes of liver cirrhosis after hepatitis B,with blood stasis,spleen deficiency is the most common.