It is a common misconception that an artificial knee replacement is the removal of the entire joint and the insertion of an artificial joint that is stiff and inflexible after surgery. In fact, artificial knee replacement is the removal of the damaged joint surface, just like replacing the “cushion”, which is the articular cartilage, and the implantation of a special material that conforms to the human anatomy, restoring the normal smooth joint surface, thus eliminating This will eliminate pain during walking and weight-bearing, and restore joint function. It is mainly used for patients with osteoarthritis (proliferative) and rheumatoid arthritis of the knee, and currently, more and more patients are receiving artificial knee replacements. The literature reports that the success rate of artificial knee joints over 10 to 15 years has generally exceeded 90%. Li Huiying, Orthopedic Injury Treatment Center, The First Affiliated Hospital of Henan College of Traditional Chinese Medicine