Objective:To observe the effect of borneol on the pharmacokinetics of Nimustine through Blood Brain Barrier in rabbits.Method:Japanese White Rabbits were randomly divided into control group and borneol group.Blood and CSF samples were obtained after intravenous injection of nimustine with/without Borneol in different times.The concentrations of TMZ in plasma and cerebrospinal fluid were determined by high performance liquid chromatography.The plasma/CSF concentration-time curves were fitted and the pharmaco...