To study the pharmacokinetic of Chinese traditional medicine LH main component in rats, at the fiirst, we should extract main component berberine of rhizoma coptidis in this test, abstract and purify it with column chromatography fractionation, use HPLC to assay the purified product.. Using rope extraction process to extract main component forsythin of forsythia suspensa, screening optimization react parameter of rope extraction process according to the L9(34) orthogonal test table. Abstract and pur...