高血压是明确的心血管疾病最重要的危险因素[1,2],长期发展可致心、脑、肾等靶器官的严重损害,其并发症冠心病、脑卒中、肾功能衰竭等具有高度致残率和致死率,以致患病个体致残、致死。国外研究表明高血压是导致死亡的第1位危险因素,疾病负担的第3位因素[3]。在我国,高血压现在 Hypertension is the most important risk factor of definite cardiovascular disease [1, 2]. Long-term development can cause serious damage to target organs such as heart, brain and kidney. Its complications include coronary heart disease, stroke, renal failure, Morbidity and mortality, resulting in sick individuals crippled and lethal. Foreign studies have shown that hypertension is the first risk factor leading to death, the third factor in the burden of disease [3]. In our country, high blood pressure now