1, low salt and low sodium diet (high salt diet increases the risk of hypertension). Pay special attention to the presence of “hidden” salt. Avoid or minimize the consumption of high salt (sodium) foods. Such as cooking condiments: soy sauce, monosodium glutamate, various sauces; and some processed foods such as the next, salted fish, salted meat, canned food, convenience foods, etc. 2, reduce fat intake, especially animal fat (excessive fat intake is not easy to control weight, overweight or obesity is also a high risk factor for hypertension). Meat advocate the choice of chicken, fish, beef. 3, it is recommended to eat food rich in potassium and calcium (high potassium and high calcium help lower blood pressure). Fruits and vegetables are the best source of potassium. Potassium-rich foods include bran, dried apricots, fava beans, lentils, bamboo shoots, purple cabbage, mushrooms, bananas, etc. Milk and its products are calcium-rich foods with high absorption rates. 4.Limit alcohol consumption. Ethanol in alcohol is an independent risk factor for hypertension and stroke.