Methods: The ischemia/reperfusion cerebral injury model was made in rat by MCAO.Shenchang injection was given by iv for 7 days, then ET, CGRP and BBB were observed.

• 方法：MCAO法造成大鼠脑缺血再灌注损伤模型，静脉给药7次，采用放射免疫法测定血浆内皮素、降钙素基因相关肽含量，并测定血脑通透性。