类风湿关节炎（简称类风关）是常见的一种四肢关节慢性炎性疾病，各个年龄均可发病，女性居多。早期病变为关节滑膜炎，表现为关节疼痛、肿胀、发僵和活动受限，如治疗及时，病变可以恢复正常；晚期病为滑膜增厚，血管翳向软骨和软骨下骨质侵蚀，导致关节破坏，表现为不可逆转 Rheumatoid arthritis (referred to as the wind off) is a common chronic limbs inflammation, disease can occur in all ages, mostly women. Early lesions of the joint synovitis, manifested as joint pain, swelling, stiff and limited activities, such as timely treatment, the disease can return to normal; advanced disease is synovial thickening, vascular cartilage and subchondral bone erosion, Cause joint damage, manifested as irreversible