Surgical treatment of osteoarthritis of the knee joint When medical treatment is ineffective and severe joint dysfunction occurs, surgical treatment can be considered to improve the patient’s quality of life. 1. Joint debridement, which is palliative treatment, is mainly applied to patients with free bodies in the joint and prone to mechanical interlocking, and is not effective for those with extensive bone spur formation. 2, cartilage and chondrocyte transplantation, mainly for patients with limited cartilage defects on the joint surface, some are in the exploratory stage. 3.Osteotomy orthopedics, mainly for patients with obvious deformity and altered negative gravity line, but affected by age, joint mobility, degeneration site, body mass index and other aspects. 4.Arthroplasty, less commonly used at present. 5.Arthroplasty, suitable for heavy knee osteoarthritis, the current technology is mature, can obtain good results. 6, joint fusion, less often used, will cause greater inconvenience to life, as a last resort.