Abstract:It was studied on the active components of Herbal Antimissile Capillaries on the primary culture rat hepatocytes injured by CCl4 and the effects on contents of ALT.MTT colorimetric determination was applied to examine the activity of hepatocytes,and by another method,the content of ALT on the culture liquid was determined.The results showed active component Ⅱ,Ⅳ,Ⅴ,Ⅵ of the herb could obviously increase the activity of hepatocytes injured by CCl4 and decrease the ALT content in culture liquid.