The athletic purpose lies in promoting body health and conciliating in spirit. However, it is more a loss than gain, that getting sports injuries or even irretrievable hurts in the course of the badminton exercise or competition. Therefore, the idea that preventing in advance is better than therapy later is the most important principle to avoid sports injuries. The badminton is a kind of high technique, continuous, fast, and constant moving back-and-forth exercise. Although the badminton court is not very big, but it is the only one sport event the rules provide that the ball can’t fall to the ground and the player must strike back the ball to the other area once. In regard to the characteristics of the badminton exercise, the player’s sport injuries do not mainly come from outside impact or bad device and implement. The main factor causing injuries mostly comes from the lack of the exercise carrying capacity and the technique. Therefore, if we can understand that what reasons and the mode cause the exercise injury, and which part of body occur exercise injuries easily, and know the methods of preventing injuries in advance, the correct actions and the techniques of Badminton exercise, it should reduce the occurrence of sport injuries. The correct method to preventing sport injuries and gain the benefits to avoid disadvantages of exercise is to do following five major principles exactly--“fine mental condition”, “strong physical ability”, “right ideas of the exercise”, “abundant rest”, and “appropriate treatment after getting hurt”.