Blood pressure 170 mmHg tends to be more severe in the elderly, for whom risk factors tend to cluster. For patients with grade 2 hypertension, when greater than or equal to three risk factors, combined with target organ damage, diabetic course of clinical conditions, often suggest a high risk of cardiovascular disease very high-risk status, the risk of cardiovascular events within 10 years of its occurrence in 20%-30%, or even more than 30%, so for the elderly blood pressure 170mmHg is a serious condition. For elderly people are often prone to combined organic changes of target organs such as heart, brain, kidney and fundus, so they need to pay attention to related treatment, including therapeutic lifestyle improvement, such as reducing mental stress, healthy diet, weight reduction, smoking cessation and alcohol restriction, in addition to giving 24-hour stable antihypertensive medication and giving medication for target organ related damage.