In physical education classes, common sports injuries are mainly the following: First, contusion treatment is: terminate the exercise, cold compresses and pressure bandages, elevate the injured limb, generally speaking, is 24 hours with hot compresses, massage and other methods of treatment, which should be noted to have sufficient rest. Second, abrasion treatment is: disinfection of conditions available iodine, alcohol cotton ball disinfection around the wound, a small area of skin abrasions, with red mercury can be applied; large area of skin abrasions, injuries embedded in cinder, mud, should be cleaned with saline, with sterile gauze bandage. Fourth, strain treatment is: local cold compresses after pressure bandage, elevate the patient's injured limb or make the muscles in a relaxed state, 24 hours after the injury and then hot compresses, massage or physical therapy. Fifth, sprain treatment is: in the event of joint ligament sprain, should be immediately cold compresses, pressure bandage, elevate the injured limb. 24 hours after the massage, physiotherapy; should check the degree of ligament damage, rupture need to be sent to the hospital. Sixth, cramp treatment is: as long as the opposite direction traction spasm of the muscle, generally can make it relieve. In severe cases, anesthesia is needed to relieve it, and attention must be paid to keeping warm when cramps occur.　 In short, usually pay attention to strengthen the education of the concept of injury prevention, in teaching seriously implement the policy of prevention first. Strengthen the students, organizational and disciplinary education, and cultivate their good sports ethics. In addition, the teacher should pay attention to the arrangement of the amount of exercise to comply with the principles of sports training, according to age, gender, health, training level and the characteristics of the sports program, individual treatment, step by step, reasonable arrangement of the exercise load, in order to avoid injury caused by the load made.