Objective: To establish the quality standard of yinhuang langxiao granule.
Method: The Panax notoginseng, Arnebia euchromq, Cornus officinalis, Lonicera japonica, Artemisiae annua were identified by TLC. The content of chrysophanol in granule was determined by HPLC.
Result: Spots of samples on TLC can be well separated and the method had good specificity. The average recovery of chrysophanol was 98.7% and RSD was 0.67%.
Conclusion: An accurate, simple and effective quality-controlling method has been developed, which can be used for quality control for yinhuang langxiao granule.