Hypertension to the following degree must take medication: 1, hypertension level II, greater than or equal to 160/100mmHg or more patients. 2, hypertension combined with diabetes, or already have heart, brain, kidney organ damage and complications of patients. 3, all patients whose blood pressure continues to rise, after improving life behavior blood pressure still can not be effectively controlled. 4, in terms of cardiovascular risk factors, high-risk and very Patients at high risk must be treated with medication. Cardiovascular risk factors include smoking, hyperlipidemia, obesity, proteinuria, and family history of early onset cardiovascular disease. High and very high risk (3 or more such risk factors, or diabetes, target organ damage, and complications).5. Patients with hypertension grade III or higher must also be treated medically, that is, patients with greater than or equal to 180/110 mmHg.