The antioxidant and anti-fatigue capacity of the body and exercise capacity are positively correlated with each other.The study was carried out by literature method, and the relationship between exercise and oxidative stress, exercise and fatigue was clarified.It was concluded that certain exercise would cause the body to have an imbalance of oxidation and antioxidation, and the antioxidant signaling pathway would not function adequately, and the energy output and input of the body would be imbalanced, thus reducing the antioxidant and anti-fatigue capacity and weakening the exercise capacity....