Although exercise is good for heart health, this does not mean that any intensity of exercise is desirable for heart health. In some news, we sometimes see reports of athletes dying suddenly on the field. Compared to professional athletes, we ordinary people exercise to maintain health, but exercise should not be blind, but to speak of a certain science. So how should the average person choose a scientific exercise program? With chronic diseases and how to exercise? Hypertensive patients hypertensive patients can choose according to their condition, age, physical strength, hobbies, etc., but the physical burden is not large, easy to learn the action, but not too low bending, slow rhythmic movement, competition is not intense project as the first choice. For the elderly, more should be measured, only slowly increase the amount of exercise, never too hasty, exercise to aerobic training, heart rate of no more than 100 times / min. These exercises include walking, jogging, cycling, swimming and gymnastics. Walking time can be chosen in the afternoon, dusk or before bedtime at a suitable temperature, generally 15 to 50 minutes, 1 to 2 times a day, depending on the speed of physical condition. Choose jogging is best after a period of trial exercise, to 10 to 12 minutes to walk 1 km speed rush 1 to 2 km, such as no uncomfortable reaction, and then turn to jogging exercise. Practice taijiquan each exercise time to more than 30 minutes is appropriate, can be carried out every day. Hypertensive patients with severe arrhythmias, tachycardia, cerebrovascular spasm (with symptoms such as dizziness, headache, nausea and vomiting), and obvious angina pectoris are advised to stop exercising temporarily. Exercise training do not do excessive low, bending movements, do not do large and fast movements, for patients with complications and other conditions, only suitable for some small amount of exercise, safety, do not stop drug therapy, exercise therapy is an auxiliary method of treatment of hypertension disease, can not replace drugs, winter exercise to pay attention to keep warm. Diabetic patients For diabetic patients, exercise is not only to enhance physical fitness, but also a means of treatment, which is as important as medication, diet control, blood glucose monitoring, and diabetes education. It is best to choose aerobic exercise with the purpose of weight loss and effective metabolism of blood glucose, and the intensity of the exercise should of course not be too high. Walking is the most ideal exercise, jogging, cycling, gymnastics, dancing, taijiquan, taiji dance, and more gentle exercises such as slowly going up and down stairs are all suitable and must be persistent. The best time to exercise is 1 to 2 hours after meals, about 30 minutes to 1 hour each time, at least 3 times a week. Heart disease patients Initially, you can exercise only 10 to 15 minutes. With the recovery of heart function, you can insist on 30 minutes or longer, generally 20 minutes to 1 hour is appropriate. Maintain 3-5 times a week, 2 hours before and after meals is appropriate. In winter, before noon or in the afternoon, and in summer, at noon or in the evening is appropriate. During exercise, you should be able to ensure normal conversation. If you feel shortness of breath when talking, it means that the intensity is too high and should be adjusted. Choose your favorite aerobic exercise, such as walking, dancing, swimming or jogging, etc. To ensure safety, you may want to have a loved one or friend join you in the exercise. For low-risk patients, exercise can be done outside the hospital, while for medium- to high-risk patients, a hospital with a rehabilitation treatment center is recommended. Exercise should be performed under the guidance of a physician. Talk to your doctor if you don’t understand something.