Artificial knee joint replacement is suitable for patients whose knee joint cartilage is worn out and destroyed due to diseases or injuries, causing severe pain, deformity, instability, and impaired movement of the knee joint, which seriously affects daily life and quality of life, and is ineffective or ineffective after conservative treatment. Artificial knee replacement treats a variety of diseases, such as osteoarthritis, ankylosing spondylitis, rheumatoid arthritis, trauma and other diseases caused by the destruction of the knee joint, knee inversion, eversion or flexion contracture deformity.