Prevention of hypertension requires attention to control the risk factors of hypertension. Risk factors of hypertension include dietary conditioning, weight control, psychological balance, proper exercise and smoking and alcohol cessation. 1, dietary conditioning: hypertension patients should have a light diet, low salt, low fat, low sugar; high vitamin, high fiber, high calcium. Low salt requirements should not be too salty meals, the daily intake of sodium salt does not exceed 3 grams. The Chinese Nutrition Society recommends that the daily sodium intake of healthy adults should not exceed 6 grams (6 grams of salt is only equivalent to the volume of a beer bottle cap), and no more than 3 grams for patients with high blood pressure. A low-fat diet requires minimal consumption of fried foods, animal fats, animal brains, animal offal, etc. Daily consumption of green leafy vegetables and fresh fruits, you can consume chicken, duck, fish and other high-quality protein. 2.Weight control: maintain a suitable weight range with a body mass index of no more than 24. 3.Psychological balance: maintain a good mood and sleep. Rest on time, do not stay up late, relax and reduce stress. 4.Appropriate exercise: aerobic exercise 3-5 times a week. 5.Quit smoking and alcohol. Hypertension is a risk factor for many heart and brain diseases, and prevention of hypertension helps to reduce the occurrence of heart and brain diseases.