There are many clinically applied drugs that protect cartilage tissues, commonly used such as sodium glutamate, glucosamine hydrochloride, and glucosamine sulfate, all of which have a protective effect on cartilage tissues. They are usually used in patients with cartilage damage or in the presence of degenerative osteoarthrosis. Usually a six-week course of glucosamine hydrochloride can be given orally two to three times a year. In addition, for patients after cartilage damage, in addition to the application of drugs to nourish cartilage, but also need to pay strict attention to rest protection, minimize local stimulation, avoid cold, local hot compresses, more conducive to cartilage tissue repair.