Puerarin is the main component of Radix puerarin injection solution, widely used in clinical treatment of cardiovascular disease. This experiment will establish puerarin in plasma and saliva samples HPLC determination, different doses of puerarin in rats in vivo pharmacokinetic and dynamic observation of puerarin concentration in saliva and blood in the correlation. Of puerarin using saliva for pharmacokinetic study and clinical application of therapeutic drug monitoring (TDM) the feasibility of using saliv...