Knee dislocation needs to be treated by surgery, functional exercise, and so on. 1. Surgical treatment: once the knee is dislocated, it is necessary to complete the preoperative examination, exclude contraindications to surgery, and then carry out joint reset under anesthesia, which is usually accompanied by ligament damage, avulsion fracture, etc., and needs to be repaired by surgery. 2. Functional exercise: early after the operation, you can carry out the contraction function training of quadriceps muscle to prevent muscle atrophy, and when the joint is relatively stable, you need to carry out knee flexion and extension function exercise to restore the normal joint mobility, so as to restore the normal function. After the occurrence of knee dislocation, must not delay the treatment time, should immediately go to the hospital for a detailed examination, and then properly cooperate with the doctor to use the correct way of treatment. Patients should go to the hospital for regular checkups, and according to the degree of recovery, they should carry out functional exercises as soon as possible to restore the function of joint movement, and after recovery, they should also pay attention to avoiding overwork and weight bearing.