There are many clinical chondroprotective agents, such as intra-articular injections of sodium glacialate, which can play a role in nutrition, lubrication and cartilage protection, and the usual oral glucosamine hydrochloride or glucosamine sulfate, which also have a role in nutrition and cartilage protection. Patients with cartilage injury, such as trauma-induced injury, or the presence of osteoarthritis and other problems caused by cartilage injury, in addition to the application of drugs, the main thing is to reduce the amount of exercise, too much activity, too strenuous or re-trauma will aggravate the cartilage injury, is not conducive to cartilage injury repair, pay attention to rest and protection from cold, to avoid trauma is very critical. Local also can be combined with hot compresses, acupuncture, baking electricity and other physical therapy methods, more conducive to improving cartilage blood flow to promote cartilage repair.