According to the “Chinese Expert Consensus on Blood Pressure Management in the Elderly”, age >80 years, blood pressure >140 mmHg and/or diastolic blood pressure >90 mmHg on three or more non-same-day sittings; if systolic blood pressure >140 mmHg and diastolic blood pressure <90 mmHg, it is defined as simple systolic hypertension. Out-of-office blood pressure measurement (including home self-measurement and 24h ambulatory blood pressure) can help improve the accuracy of diagnosis. Blood pressure control goals: ① For elderly patients without coexisting clinical diseases (e.g., chronic cerebrovascular disease, coronary artery disease, heart failure, diabetes mellitus, and chronic renal insufficiency), the blood pressure target value is <145 to 150/90 mmHg. ② For patients with coexisting cardiac, cerebral, and renal diseases, the blood pressure is first lowered to <150/90 mmHg, and if well tolerated, further lowered to <140/90 mmHg. 90 mmHg. ③Patients of advanced age should not have blood pressure lower than 130/60 mmHg. ④The blood pressure should be lowered smoothly, avoiding too rapid lowering of blood pressure and reaching the blood pressure standard within 3 months.