It can protect acute cerebral ischemia and anoxia and enhanced the volume of flow of extracorporeal coronary artery in guinea pig.

• 养心正脉颗粒还可使离体免动脉环拮抗去甲肾上腺素对主动脉的收缩作用,对离体豚鼠心脏有增加冠脉流量的作用。