Abstract:A quantitative method has been developed for the determination of piperylpiperidine in Wuwei Qingzhuo powderby reversed phase HPLC. The average recovery is 102. 0%(RSD = 0.46%) and lowest detection concentration0. 03μg/ml. The linear range of piperylpiperidine is 1.875~30μg/ml ,r= 0.9999.