类风湿性关节炎是以关节慢性炎症为主要表现的全身性疾病。多数患者起病缓慢，表现为四肢小关节（如掌指关节、腕关节）疼痛，肿胀，僵硬，常伴乏力，低热等周身不适，反复发作，病程迁延，部分患者出现关节畸形，严重影响正常的生活和工作。引起本病的病因虽尚未完全查明，但 Rheumatoid arthritis is a systemic disease mainly characterized by chronic inflammation of the joints. Most patients with slow onset, manifested as limbs and small joints (such as the metacarpophalangeal joint, wrist) pain, swelling, stiffness, often accompanied by fatigue, fever and other discomfort, recurrent, duration of the disease, some patients with joint deformities, seriously affecting the normal Life and work. Although the cause of the disease has not yet been fully identified,