The treatment for 1st degree ACL injury includes general treatment, medication and physical therapy. Anterior cruciate ligament injuries are mostly seen in sports injuries, high-risk sports such as basketball, skiing, soccer, rugby, etc. The degree of 1st degree injury is less serious, and the main symptoms manifested as slight pain in the knee joint and limitation of activities. 1. General treatment: including rest, ice, wearing knee pads for fixed protection, etc., which is conducive to recovery. 2. Drug therapy: oral non-steroidal drugs such as celecoxib, ibuprofen, etc., nutritive cartilage drugs such as glucosamine. 3. Physiotherapy: Combine with magnetic therapy and infrared ray to reduce pain. If the diagnosis of anterior cruciate ligament injury of the first degree, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor for standardized treatment, the above drugs should not be taken on their own.