After the meniscus tear surgery, if fully recovered, generally can continue to exercise, if not yet reached the healing indications, it is not recommended to do strenuous exercise, to avoid secondary injury. After meniscus surgery, the knee is usually required to be bandaged with pressure and immobilized in a plaster cast. For medial meniscus surgery, straight leg raising can be started on the 3rd day; for lateral meniscus surgery, straight leg raising can be started on the 5th day, and walking on the ground with plaster casts can be started. 2 weeks later, the plaster casts will be removed, and the strength of quadriceps muscle will be increased gradually, and partial training will be started on the 3rd month, and the training will be gradual and orderly. After the meniscus surgical resection is healed, generally does not affect the joint function, patients can continue normal exercise, but the incidence of long-term osteoarthropathy is higher, need to carry out active treatment as well as correct and reasonable rehabilitation training, in order to avoid the emergence of serious complications. After the meniscus tear surgery, it is recommended to exercise under the guidance of the doctor, so as to avoid the adverse consequences of unreasonable exercise.