Exercise can be reduced to 1 ~ 2 times per week, including: ① cardiovascular system exercises for 25 ~ 30 minutes with moderate intensity, and the pulse does not exceed 130 ~ 140 times per minute. ② 10 ~ 15 minutes to enhance physical strength, it is best to use fitness equipment instead of dumbbells. ③ Stretch for 5 ~ 10 minutes, and pay special attention to all joints and muscles that are prone to atrophy. Tennis, long-distance skiing, swimming, jogging, golf, dancing and walking are optional items.