For engaging in aerobic exercise to control the heart rate range in the normal standard, the usual standard is 220 – age x 80%, for the range of heart rate after aerobic exercise, the range of heart rate should not exceed the upper limit, otherwise it will cause aerobic exercise overload, and cause burden and load to the heart, especially for patients with previous coronary atherosclerotic heart disease or cardiac insufficiency, also can Aerobic exercise is appropriate to increase and improve cardiopulmonary function, but the heart rate should be strictly controlled to keep it within the above-mentioned range, and the duration of aerobic exercise should not be too long, usually around 30 minutes, and 5 days a week can be engaged in aerobic exercise. The choice of aerobic exercise, such as brisk walking or jogging, usually has little effect on the heart rhythm.