Hypertension is an important risk factor for cardiovascular and cerebrovascular diseases, and there are numerous problems to be solved in the prevention of hypertension, of which diet is the cornerstone of all solutions. The main attention: 1, reduce the intake of sodium, daily sodium intake should be <6g; 2, to quit smoking and limit alcohol, because every smoke, can make the systolic blood pressure in a short period of time increased by 10-20mmHg. And long-term excessive and inappropriate alcohol consumption can increase the risk of hypertension in men by roughly 40%; 3, to increase the intake of calcium and potassium, more fresh vegetables and fresh fruits, and at the same time, should be often to carry out Outdoor exercise and increased exposure to sunlight; 4. Appropriately increase the intake of vitamin C and vitamin E, which are beneficial micronutrients, so as to improve the control of blood pressure.