Hypertensive patients should pay attention to the diet of low-salt and low-fat diet, you can eat low-sodium salt. Low-sodium salt is iodized salt as raw material, which contains about 60% to 70% of sodium chloride, and also contains a certain amount of potassium chloride and magnesium sulfate. Compared with common salt, low-sodium salt is characterized by reduced sodium content, increased potassium content, potassium through vasodilatation, reduce vascular resistance and increase urinary excretion of sodium and other mechanisms to resist the role of high sodium in raising blood pressure, thus playing a role in preventing hypertension. Therefore, hypertensive patients can eat a moderate amount of low-sodium salt, not too much at a time. Hypertensive patients should also pay attention to low-fat diet, avoid eating fried food, appropriate exercise, weight control, regular use of medication under the guidance of a physician, and consult a doctor in time if they feel unwell.