Meniscus injury is not a self-limiting disease and will not heal on its own without treatment or medication. Treatment mainly includes non-surgical and surgical treatments. Whether or not medication is needed depends on the condition. If the injury is mild, drugs that activate blood circulation and remove blood stasis, reduce inflammation and relieve pain can be given, or manipulative treatment can be given, or external fixation such as braces can be given, while surgery can be given to severe cases. The specific choice of treatment is related to the severity of the condition, age, the patient’s physical condition and other factors. In acute meniscus injury, long leg plaster cast immobilization can be given for 4 weeks. For those with intra-articular fluid accumulation, pressure bandage can be applied under local anesthesia after draining the fluid. After the acute phase, the pain can be reduced, and the quadriceps muscle can be exercised to avoid muscle atrophy. If the symptoms can not be eliminated, surgical treatment should be given. Meniscus injury specific choice of method of treatment, related to the condition, under the guidance of the doctor.