Knee cartilage injury can take non-steroidal anti-inflammatory painkillers, joint cartilage protective drugs for symptomatic relief. 1. Non-steroidal anti-inflammatory drugs: knee cartilage injury is usually accompanied by inflammation, knee joint pain and other symptoms, you can through non-steroidal anti-inflammatory drugs, such as ibuprofen, celecoxib and loxoprofen sodium and other drugs to relieve joint pain and other symptoms. 2. Joint cartilage protection drugs: you can also take joint cartilage protection drugs, such as glucosamine hydrochloride, used for nutritional protection of the joints, promote joint repair and improve joint damage. In addition, patients with knee cartilage injury need to pay attention to appropriate weight loss, reduce the weight of stairs, in order to reduce the burden on the joints. It is recommended to adopt appropriate treatment by professional doctors according to the specific conditions, and the above drugs should be used under the guidance of doctors.