For patients with cardiovascular disease and high blood pressure, the best time to exercise is from 3 p.m. to 9 p.m. It is important to avoid exercising during the “peak” period. The “peak period” generally refers to the 6:00 a.m. to 9:00 a.m. During this time, patients sleep overnight without water and activity, blood flow slows down, and blood tends to thicken in the blood vessels, resulting in periodical blood stickiness. It is easy to have heart attack and brain attack by exercising at this time. In addition, the sympathetic nerve activity is higher at this time, the heart rate tends to accelerate, blood pressure will rise, if you insist on exercising there is a risk of arrhythmia or even sudden death. Therefore, patients with diabetes and cardiovascular disease should schedule their exercise in the afternoon and evening. In the exercise can take aerobic exercise activities, such as walking, according to their specific circumstances to walk outdoors, bouncing walk, big step fast walk, big step slow walk. The amount of exercise should be from small to large. It is best to accept the guidance and advice of a professional doctor regarding the exercise style and amount of exercise. For patients with cardiovascular disease and hypertension who are used to exercising in the morning, they should drink some water slowly first and then do the activity after ten minutes. At this time, light or soothing activities should be carried out, such as walking and practicing Tai Chi. Activities with intensity should be put into the afternoon or evening.