用HPLC法测定生脉注射液中人参皂甙Re的含量，以C18柱，乙腈-0．05%磷酸（19：81）为流动相，检测波长203um。该方法线性关系良好，平均回收率为97.38%，RSD为1．83%。可作为生脉注射液的含量测定方法。

Ginsenoside Re in Shengmai Injection was directly determined by HPLC.Acetonitrile-0.05% pllosphorie acid (19:81) was used as the mobile phase on C_l8 column.Detection wavelength was 203nm.Results in dicated that the linearity of this method was well with an average of 97.38%,and RSD 1.83%.The method can be used for the assay and quality control of Shengmai Injection.