Patients with hypertension should not only control blood pressure, but also actively prevent coronary heart disease, because blood pressure fluctuations, patients with persistently elevated blood pressure, easily lead to atherosclerosis and damage to important organs, preventive measures are as follows: 1, maintain a good mood: hypertension is a psychosomatic disease, any mental stimulation can lead to an increase in blood pressure, so patients with hypertension should try to reduce mood swings, keep blood pressure relatively stable and reduce complications 2, maintain a light diet: the sodium ion in salt can cause the abnormal aggregation of water in the body, stay, thus increasing the blood volume, causing blood pressure to rise, which in turn increases the burden on the heart. Therefore, it is advocated that hypertensive patients should eat a light diet, and the daily salt intake should be controlled at 3-5g; 3, maintain reasonable rest: especially in elderly hypertensive patients, the function of the organs of the body is in various degrees of decline, more attention should be paid to rest, avoid excessive fatigue, regular living, do not stay up late, and ensure 7 hours of sleep daily; 4, maintain the appropriate amount of exercise: it is best to go to medical institutions, by professional It is best to go to a medical institution and have your heart and lung function evaluated by a professional doctor, make an individualized exercise prescription, and exercise according to the exercise prescription to ensure safe and effective exercise. Exercise can promote metabolism, smooth the flow of Qi and blood, relieve human tension, and help control blood pressure. Patients with hypertension can choose regular, slow-paced exercise programs such as outdoor walking, jogging, and tai chi, and it is appropriate to feel no fatigue or slight fatigue after their activities. Cold weather is likely to lead to vasoconstriction and further increase in blood pressure, so in seasonal changes or winter, the elderly should be active indoors, but also can do activities such as stair climbing; 5, often measure blood pressure: hypertension patients only often measure blood pressure, in order to understand the daily changes in their own blood pressure, so as to provide a more effective basis for prevention and treatment. Blood pressure can be measured once in the morning after waking up, once at about 10 o’clock in the morning, and once at 3-4 o’clock in the afternoon and before going to bed at night and record it. If your blood pressure is stable, you can measure it once a day and record it. If your blood pressure fluctuates a lot, you can measure it more often.