1. Appropriate exercise. Aerobic metabolic exercise is a bridge to overall physical and mental health. Competitive or explosive exercise, such as weight lifting, will raise blood pressure, while light and moderate aerobic metabolic exercise aimed at building endurance not only does not raise blood pressure, but is conducive to blood pressure reduction. These exercises are the first fast walking, but also can choose jogging, swimming, cycling, jumping rope, mountain climbing and so on. Elderly people can choose to walk, tai chi and other activities to regulate their health. 2, the appropriate amount of exercise. Moderate exercise means that the heart rate during exercise reaches (170-age) beats/minute. For example, the heart rate during exercise at age 65 = 170-65 = 105 beats/min. Prepare before exercise and spend 10 minutes relaxing after exercise. Specific exercise volume and exercise time should follow the guidance of the physician. 3, suitable place for exercise. Polar boxing to choose a quiet, clean park, yard or living room can be; running, cycling and other activities to choose the road is flat, fresh air environment, avoid noisy, dangerous environment, such as group dance training place, steep cliffs and so on. 4, precautions. (1) Do preparatory activities before exercise, about 5 minutes. Stretch your limbs, simple gymnastics or walking can help muscles and joints do preparatory activities. (2) After 20-30 minutes of continuous exercise, repeat the preparatory activities for 5-10 minutes to let the body gradually return to normal. (3) Don’t move too vigorously during exercise and don’t make sudden changes in the way you exercise.