In this paper, the study on pharmocokinetics of Ginsenoside Rg_1, Ferulic acid, Quercetin and Puerarin in the recipe Naodesheng Pills was reported. A reversed-phase high performance liquid chromatographic method was established for determination of Ginsenoside Rg_1, Ferulic acid, Quercetin and Puerarin in rabbit plasma. The plasma concentration and pharmockinetic parameters of Ginsenoside Rg_1, Ferulic acid, Quercetin and Puerarin were compared after oral administration of recipe Naodesheng Pills , Radix no...