By the way of ligaturing the cephalic artery to make the model of acute cerebral ischemia, it is showed that RPNS could inhibit the ischemia from the brain, but weakly as NDP.

• 结扎颈总动脉造成全脑急性缺血实验表明，三七具有一定的拮抗作用，但同尼莫地平一样都比较弱。