Background and Objective: Stroke is one of a disease haming the healthy of human, having high morbidity ,fatality and disability rate and 80 percent is ischemic stroke.

• 背景和目的脑卒中是当前危害人类健康主要疾病之一，发病率、死亡率和致残率均较高，缺血性脑卒中约占全部脑卒中的80%25。