Objactive:To observe the effects of Naojianpian on cerebral blood flow (EBF) and cerebral vessel resistance (CVR) in anesthetized dogs. Methods: The 20 anesthetized dogs were randomly divided into Naojianpian group, Buyanghuanwu decoction (补阳还五汤) group, western medicine group and blank group,5 dogs in each. The internal carotid artery flow, blood pressure, electrocardiogram and heart, rates of the dogs were determined a different time after administration. Results: Naojianpian can increase the dogs' cerebral blood flow and reduco...