脑血管疾病是严重危害人类健康的一组疾病，是目前世界上公认的三大死因之一。据统计，我国每年新发生的脑卒中患者约150万人，死亡约100万人，患病人数约500万～60O万人“’。而累积为数更多的中风后现存者，都遗留有不同程度的偏瘫、失语、痴呆，给国家社会和家庭带来了沉重 Cerebrovascular disease is a group of diseases that seriously endanger the health of human beings and is one of the three known causes of death in the world. According to statistics, there are about 1.5 million new stroke patients in China each year, with about 1 million deaths and about 5 million to 6 million people affected. "However, the cumulative number of stroke survivors is still different Degree of hemiplegia, aphasia, dementia, to the country’s society and family has brought heavy