Abstract:To establish the quality standard of Yangnao Ningxin Granules.Methods:TLC method was used to qualitatively identify the Cortex Moutan Radicis,Fructus Corni and Fructus Lycii in the prescription.The content of puerarin in peony was determined by HPLC.Results:In the thin-layer chromatogram,the corresponding spots of the corresponding color of the Cortex Moutan Radicis,Fructus Corni and Fructus Lycii spots correspond to the same color; the puerarin injection volume was 0.23~1.15 μg,showing a good linear relationship(r=0.999 9),average recovery:98.5%,RSD 0.81%.Conclusion:The method is simple,easy to repeat,and can be used as a quality control standard for the preparation.