The classification of hypertension is applicable to adults of any age over 18 years of age. The criteria for normal blood pressure are systolic blood pressure less than 120 mmHg and diastolic blood pressure less than 80 mmHg. while the criteria for hypertension are systolic blood pressure greater than or equal to 140 mmHg and/or diastolic blood pressure greater than or equal to 90 mmHg. 80 years of age is also such a criterion, 80 years old elderly blood pressure 180 mmHg is certainly not normal, the diagnosis of hypertension can be established, but the goal of blood pressure control for the elderly is to Take the principle of individualization. Generally, the blood pressure of 80-year-old people should be reduced to less than 150/90mmHg. for 80-year-old people with blood pressure up to 180mmHg should be based on the improvement of lifestyle, can add some drug treatment, which can make the blood pressure to less than 150/90mmHg, can significantly reduce stroke, coronary heart disease and all-cause death, in drug treatment significantly benefit.