A blood pressure of 160 to 170 in the elderly generally means that a systolic blood pressure of 160 to 170 mmHg is abnormal and is classified as grade 2 hypertension. Normal adult systolic blood pressure should be less than 140mmHg, diastolic blood pressure is less than 90mmHg. The diagnostic criteria for grade 2 hypertension is systolic blood pressure between 160 to 179mmHg, diastolic blood pressure between 100 to 109mmHg. Elderly blood pressure systolic pressure 160~170mmHg belongs to grade 2 hypertension, which is more serious and abnormal. Blood pressure control regardless of age is generally advocated to be less than 140/90mmHg. Older people with simple systolic hypertension systolic blood pressure should also be controlled within 150mmHg. If combined with diabetes, heart failure, chronic kidney disease or coronary heart disease should be controlled within 130/80mmHg. For the blood pressure systolic pressure 160 to 170mmHg of the elderly, should consult a doctor in a timely manner, in accordance with medical advice to take nifedipine and other antihypertensive drugs standardized treatment. At the same time, it is necessary to maintain a low-salt and low-fat diet, reduce weight, reduce sodium intake, increase exercise and other measures to improve lifestyle to assist in controlling blood pressure. It is recommended that patients seek early medical attention and standardized treatment under the guidance of a doctor.