脑血管病已经成为现代社会的主要健康问题，我国每年至少有200万新发病的脑血管病人。由于脑血管病高的致残率使之产生了一个庞大的患病人群，医学、公共卫生和社会的不断进步使得人的预期寿命不断延长，因此有脑血管病危险因素的人群也在不断增加。在各级医疗单位的日常医疗实 Cerebrovascular disease has become a major health problem in modern society. At least 2 million new-onset cerebrovascular patients in our country each year. Because of the high morbidity rate of cerebrovascular disease that has caused a huge population of people who suffer from diseases, medical, public health and social progress make life expectancy continue to lengthen, so the risk of cerebrovascular disease is also increasing the number of people . Daily medical practice at all levels of medical units