Patients with hypertension have some taboos, that is, avoid smoking and eating some spicy and irritating food. And we should pay attention to three low meals a day, that is, low salt, low fat, low calorie, less sweet, less wine and less tea. So what dietary principles should hypertension pay attention to? 1, moderate diet: regular quantitative, don't be too hungry and overeating. All kinds of foods are reasonably matched and cannot be partial to food. 2, low-salt diet: the daily salt intake is controlled within 2-5 grams. Because salt can make arterioles spasm, raise blood pressure and accelerate the hardening process of renal arterioles. Too much salt can easily cause water and sodium to accumulate in the body, causing edema. 3. Eat more foods rich in vitamin B and vitamin C, such as fresh vegetables and fruits. Such as bean sprouts, melons and fruits, kelp, seaweed, fungus and so on. 4. Eat more foods with antihypertensive effect, such as garlic, celery, shepherd's purse, mung bean, corn, carrot, chrysanthemum, gourd, watermelon, kelp, sea cucumber, jellyfish and so on. 5, avoid smoking, nicotine in cigarettes can stimulate the heart and blood vessels, raise blood pressure and accelerate the formation of atherosclerosis. 6, eat less animal fat, do not eat animal offal, etc. Eat less sweets and eat more foods with low calorie, low fat and low cholesterol. 7. Eat less animal protein and more plant protein, such as beans and bean products. Eat more seafood and fish for animal protein. Such as sea cucumber, jellyfish and some fish, can not only provide protein needed by human body, but also have a certain antihypertensive effect. 8. Drink a small amount of tea in moderation. Tea contains a small amount of theophylline and xanthine, and its diuretic effect is beneficial to the treatment of hypertension. Vitamins in tea can prevent arteriosclerosis. But drinking too much tea can cause anxiety, insomnia and palpitations. So don't drink too much. Drinking a small amount of low-alcohol wine such as beer, wine and yellow wine can dilate blood vessels, promote blood circulation and dredge meridians. But don't drink hard liquor and don't drink too much. In a word, the diet of patients with hypertension is mainly light, not fishy, rather light than thick, rather hungry, so as to flirt, benefit kidney essence and eat carefully in life.