Objective: To establish the quality specification of Zhixieheji. Method: TCL method to identify the active ingredient of Zhixieheji of Cortex Fraxini

Paeoniae Radix

Atractylodes Lancea

Euphorbiae Humifusae

Radix Aucklandiae. The method is simple

specific

and reproducible; detection spots were clear. Of paeoniflorin in the injection volume 0.509-16.31 mg· L-1

and linear range of the relationship is good. The average recovery was 96.79%

RSD was 1.7% (n=6). Conclusion: The method is simple

efficient

sensitive and can be applied to quality control of Zhixieheji.