If the knee meniscus injury is treated conservatively, the rehabilitation training is based on exercising the strength of the muscles around the knee joint; if it is treated surgically, different training will be carried out according to the different types of surgery. First of all, if the meniscus injury is treated conservatively without surgery, it is necessary to avoid further damage to the meniscus, and then the rehabilitation training is based on exercising the strength of the muscles around the knee joint, such as limb elevation training, squatting horse stance, aerial pedal bicycle, etc., and through these exercises to exercise the strength of the quadriceps muscle, so as to improve the stability of the knee joint. If the meniscus injury after meniscectomy, rehabilitation content to protect the knee joint function is the main, after the operation can carry on the limb elevation function exercise, knee flexion and extension function exercise, it is not recommended to climb the mountain, climb the stairs, basketball, soccer and other strenuous exercise. Meniscus suture surgery to promote the recovery of meniscus function, the early postoperative knee to non-weight-bearing exercise, exercise quadriceps muscle strength, and at the same time can be carried out straight leg raising, one month after the operation can be carried out knee flexion and extension exercises, including swimming, cycling, knee part of the weight-bearing walking, three months later can participate in normal sports. It is recommended that patients seek timely medical treatment and choose the appropriate treatment under the guidance of the doctor.