The following drugs can be used for cartilage damage: 1, drugs that nourish joint cartilage: such as glucosamine sulfate and chondroitin sulfate, these two types of drugs can improve the metabolism of joint cartilage cells, to ease the degeneration of joint cartilage. 2, sodium vitrate: can play a role in lubricating the joint, if the knee joint cartilage tissue damage, the use of sodium vitrate for intracavitary injection, can reduce the friction of the joint, lubricating joint cartilage. 3, Chinese medicines: such as Chinese medicines to improve the metabolism of articular cartilage, such as compound dulcimer bone particles, the drug can relieve joint inflammation, joint pain, but also help the self-repair of joint cartilage.