1, in the past, most people think that if there is a disease to go to the doctor “to see a doctor”, but now we are increasingly aware that “prevention of disease is more important than seeing a doctor”. 2, in addition to professional athletes, the purpose of exercise is to health, and we often encounter injuries due to exercise in the clinic, therefore, the correct guidance exercise is very important, can understand the medical coach and can understand the future of sports doctors are very necessary. 3, two states must be eliminated, because the exercise treatment of a disease triggered the occurrence of another disease, such as a clear joint disease of diabetic patients to accept a long time, high-intensity walking exercise therapy, accelerated joint degeneration (I have been in the Central Television Health Road, about the knowledge of joint cartilage damage spoke, but also admitted many such patients), if by a vision of the exercise doctor Treatment will take other ways, such as sit-ups, etc.; to stop aggravating existing diseases because of exercise, such as increasing the weight-bearing movement of the joints of patients with bone joints (the more pain the more you walk, as the folk say), is bound to cause aggravation of joint disease (there are many such cases in outpatient clinics).