The normal range of blood pressure in the elderly is the same as that of the general adult, that is, normal blood pressure <130 mmHg systolic and diastolic <85 mmHg; normal high values are 130-139 mmHg systolic and 85-89 mmHg diastolic. Quiet, awake, and without the use of antihypertensive drugs under the conditions of standard measurement methods, at least three times non-same day blood pressure measurement, if the systolic blood pressure ≥ 140 mmHg and (or ) diastolic blood pressure ≥ 90 mmHg, the diagnosis of hypertension was made. Patients with a previous history of hypertension who have received regular blood pressure-lowering therapy are diagnosed with hypertension despite a blood pressure <140/90 mmHg. The ideal blood pressure is systolic blood pressure <120mmHg and diastolic blood pressure <80mmHg; normal blood pressure is systolic blood pressure <130mmHg and diastolic blood pressure <85mmHg; normal high value is systolic blood pressure 130~139mmHg and diastolic blood pressure 85~89mmHg. Hypertension can be divided into three levels: Grade I hypertension (mild) is systolic blood pressure 140~159mmHg and diastolic blood pressure 90~ 99mmHg; Grade II hypertension (moderate) is 160~179mmHg systolic and 100~109mmHg diastolic; Grade III hypertension (severe) is ≥180mmHg systolic and ≥110mmHg diastolic. The elderly are prone to simple systolic hypertension, the incidence of which increases with age, mainly due to increased stiffness of the large arteries and reduced arterial elasticity caused. It is important to pay attention to good lifestyle habits to slow down the process of vascular aging, and the moderate use of statins can reduce the occurrence of atherosclerosis and arterial plaque.