Excessive exercise refers to excessive exercise, the amount of exercise is not the greater the better, too much exercise will make the body’s immune function is damaged, affecting health. Exercise to be full of spirit, do not feel fatigue as the standard. Exercise overload is mainly manifested as waist and knee weakness, muscle pain and other fatigue, if the next exercise can be recovered is not excessive, if 2-3 days still can not recover, that is, the last exercise is called exercise overload. There are two consequences of exercise overload, one is the overtraining of competitive sports, and the other is the fatigue of ordinary sports. Fatigue is generally chronic, through each not fully recovered from the accumulation of exercise fatigue, resulting in discomfort symptoms in the body, such as common knee injuries, chronic strain injury of the lumbar back muscles, chronic strain injury of the shoulder joint, that is, the consequences of local overexertion, when the need to reduce the number of exercises and intensity.