高血压是老年人最常见的心血管病之一,发病率高,且其发病率随年龄增长而升高,65岁以上患病率约35～40%,70岁以上者可达50肠以上,是心脑血管病的主要危险因素,其并发症更是老年人致残、致死的主要原因。因此,对高血压的防治、已成为国内外学者关注的问题。靶器官受损率随年龄增长、病程延长和血压水平升高而增加,混合型高血压者靶器官受损率 Hypertension is one of the most common cardiovascular diseases in the elderly with a high incidence and its incidence increases with age. The prevalence is about 35-40% over the age of 65 and over 50 over the age of 70 , Is a major risk factor for cardiovascular disease, the complication is the main cause of disability and death in the elderly. Therefore, the prevention and treatment of hypertension has become a concern of scholars at home and abroad. Target organ damage rate increases with age, prolonged duration and increased blood pressure levels, target organ damage rate of mixed-type hypertension