There are several ways to treat worn cartilage in the knee joint: first, the treatment of oral medication, you can take oral glucosamine hydrochloride, glucosamine sulfate, chondroitin sulfate and osteopeptide tablets, these drugs have a certain effect on the repair of worn cartilage. Oral Chinese medicines, such as Ruyi Zhenbao Pill and Guiqi Zhuangbao Granules, can be taken for cartilage repair of the knee joint. Secondly, intra-articular injection of sodium vitreous acid, sodium vitreous acid for cartilage wear also has a certain repair effect, sodium vitreous acid can be injected once a week, five times in a row can be good for relieving pain caused by cartilage wear. Finally, physical therapy, such as microwave physiotherapy or far-infrared physiotherapy, can also be beneficial.