Knee sports injuries include ligament injuries, meniscus injuries, fractures and soft tissue injuries, which are treated conservatively, surgically and with rehabilitation according to the cause. 1. Ligament injury: ligament injury mainly refers to lateral collateral ligament injury and cruciate ligament injury. Ligament injury is minor, joint swelling and pain is not obvious, you can take rest, cold compresses, topical Yunnan Baiyao aerosol, through recuperation for 4 to 6 weeks can gradually recover. If the damage is serious, surgery can be taken to repair the damaged ligament. 2. Meniscus injury: the second degree of injury needs to be treated conservatively, support external fixation, oral nutritional cartilage drugs such as glucosamine sulfate capsules. If the injury is more than three degrees, surgery should be performed to repair the meniscus. 3. Fracture: If the knee joint is fractured, the fracture is not displaced and fixed in plaster for 6 weeks, after removing the plaster, the knee joint flexion and extension exercises or quadriceps exercises are carried out, and if the fracture is displaced, the fracture should be cut and fixed internally. If the fracture is displaced, the knee joint flexion and extension exercises or quadriceps exercises will be performed after the removal of the plaster. 4. Soft tissue injury: sports loss can lead to muscle, fascia congestion and edema and other injuries, you can rest and physiotherapy hot compresses and other treatments. Knee sports injuries need to go to the hospital to check the degree of injury, for the cause of treatment.