Rheumatoid arthritis is an autoimmune disease that is more common in women. The pathological features are mainly invasion of the synovial membrane of the joints, and among the small joints, the metacarpophalangeal and interphalangeal joints of both hands are predominant, and the early stage shows pain, stiffness and limitation of movement. or even complete loss of hand function. The most common cases in large joints are knee joints, which are characterized by joint pain, stiffness, and restricted movement. In terms of medical treatment : After early and clear diagnosis, systematic medical treatment should be carried out, and drugs should be the mainstay in addition to various means of rehabilitation. Try to control the symptoms and the progress of the disease, and delay the destruction of the joints by the lesions. Surgical treatment: 1. Early stage If the joint swelling is obvious, the joint exudates a lot, the water accumulation is serious or the swelling of the joint is not reduced by conservative treatment, then you should go to the surgery. and quality. If the articular cartilage is not severely damaged and the joint space still exists, arthroscopic minimally invasive surgery can be performed to clean up all the diseased tissues in the joint and simplify the joint, which can also achieve significant results, and the early and mid-term surgical treatment will achieve this effect significantly better than purely medical treatment. 3, late stage The articular cartilage has been severely damaged, the joint deformity, restricted movement, at this time, in order to rebuild joint function, restore normal walking, often need to carry out artificial joint replacement surgery, after surgery will obtain quite good results, that is, pain basically disappeared, leave the wheelchair to walk by themselves, the quality of life has been significantly improved.