Elderly people with a blood pressure of 160 mmHg is high, both diastolic and systolic, is more than the diagnostic criteria for hypertension. If an older person’s blood pressure of 160 mmHg is diastolic, no matter what the systolic blood pressure is, it already belongs to the very serious hypertension, i.e., grade 3 hypertension. This is because the diagnostic criteria for grade 3 hypertension are a diastolic blood pressure ≥110 mmHg and/or a systolic blood pressure ≥180 mmHg. Those with a diastolic blood pressure of 160 mmHg require immediate and rapid blood pressure reduction to avoid serious complications such as aortic coarctation, cerebral hemorrhage, myocardial infarction, and fundus hemorrhage. If an elderly person’s blood pressure is 160 mmHg systolic and diastolic pressure is <100 mmHg, he/she has grade 2 hypertension (moderate). Active medication is needed to control the blood pressure. For elderly hypertensive patients, their blood pressure should be lowered to below 150/90 mmHg, or below 140/90 mmHg if tolerated. For elderly people over 80 years old, the target value for lowering blood pressure should be <150/90mmHg. Elderly people who have elevated blood pressure are advised to seek medical attention and follow the doctor's instructions for examination and treatment in order to avoid persistent elevation of blood pressure.