高血压是危害人民健康的常见病,是引起心脑血管病发病率和病死率增加的主要危险因素。在我国一直存在着发病、患病及死亡或致残率高的“三高”和知晓、治疗及达标率低的“三低”现象,且发病有年轻化及迅速增长的趋势。治疗高血压可以降低心脑血管病的发病率和病死率,而降到多少 Hypertension is a common disease that endangers the health of the people and is a major risk factor that causes an increase in the incidence of cardiovascular and cerebrovascular diseases and mortality. In our country, the “three highs” of morbidity, illness and death or disability are always existed, and the phenomenon of “three lows”, which are known, treated and the rate of compliance is low, and there is a trend of younger and more rapid onset of morbidity. Treatment of hypertension can reduce the incidence of cardiovascular and cerebrovascular disease and mortality, but to what extent