Discoid meniscus injury, does not necessarily require surgical treatment. 1. Need for surgery: under the guidance of MRI to determine the discoid meniscus has ruptured, and the patient has a clear pressure, pain symptoms, the patient should be timely surgical treatment, to avoid meniscus damage caused by articular cartilage damage and wear and tear of the lower end of the femur, the emergence of traumatic arthritis. 2. Do not need surgery: for some asymptomatic discoid meniscus injury, as well as the injury is relatively mild, can be fixed, medication and other conservative treatment, usually do not need surgery. The treatment of discoid meniscus injury depends on the degree of injury, and should be based on the physician’s guidance to choose the appropriate treatment program.