Abstract:ObjectiveTo establish the quantitative method of ginsenoside Rg1 in Shenhuang Oral Liquid by HPLC. MethodsThe column was packed with 5 μm Diamonsil C18 stationary phase. The mobile phase consisted of acetonitrile-water.ResultsThe linear range was 0.251~ 2.15 μg.The average recovery was 98.73%(RSD was 2.7%).ConclusionThe method was convenient and accurate. It can te used as a method of quality evaluation for Shenhuang Oral Liquid.