Meniscus 2,3 degree injury can be treated by physiotherapy, medication and surgery. 1. Physiotherapy: Meniscus 2,3 degree injury can be treated with physiotherapy, such as magnetic therapy, infrared polarized light, etc. It can improve the local circulation and metabolism, reduce the degree of inflammatory reaction, and alleviate the related symptoms. At the same time, wear a knee brace to maintain the stability of the knee joint. 2. Medication: Oral medication such as glucosamine can be taken to increase cartilage repair. Oral non-steroidal anti-inflammatory drugs such as Loxoprofen or Celecoxib can be taken to reduce knee pain. Sodium vitrate can also be injected into the joint cavity. 3. Surgery: For those who still have significant pain after conservative treatment, the damaged area can be trimmed and shaped arthroscopically, or meniscus suture can be performed, which can relieve the pain. If the examination found that the meniscus 2, 3 degrees of damage, it is recommended that the patient to go to the hospital for medical examination, improve the examination under the guidance of the doctor for regular treatment.