Objective To observe the effect of Naotaifang extract on the cerebral ischemia reperfusion injury in the brain tissue angiogenesis in rats. Methods SD rats were randomly divided into three groups: sham operation group(A), operation of ischemic brain injur,group(B), Naotaifang (NTE)group(C). The rats models of middle cerebral artery occlusion (MCAO) in group B and C were induced. According to the time of the ischemia-reperfusion (1 d,3 d,5 d and 7 d), group B and C were divided into 4 subgroups. The expression of neurological defici...