The latest treatments for cartilage wear in the knee include cartilage transplantation and joint replacement surgery. Knee cartilage wear can result in narrowing of the joint space, changes in the joint line of force, and inversion of the knee joint, causing joint pain. Joint movement is limited. 1. Early stage patients can be treated conservatively by applying nutritive cartilage drugs such as aminoglucose hydrochloride capsule and joint injection of sodium vitrate, which can slow down the wear of articular cartilage. 2. For more serious cartilage wear and tear, cartilage transplantation can be adopted, taking cartilage from the non-weight-bearing area and transplanting it into the worn cartilage, which is conducive to the regeneration of cartilage. 3. Depending on the degree of cartilage wear, if it occurs in the medial gap, unicondylar replacement can also be performed, and if the entire articular cartilage wear is very serious, artificial knee joint replacement can be taken. Knee cartilage wear according to the specific degree of cartilage wear to take different treatment methods.