类风湿关节炎(Rheumatoid arthritis,RA)是一种以关节和关节周围组织的非感染性炎症为主的全身性自身免疫性疾病。本病多侵犯手、足、腕等小关节,如不给予适当治疗,病情逐渐加重,最后可引起关节畸形、强直和功能丧失,导致不同程度的残疾。 Rheumatoid arthritis (RA) is a systemic autoimmune disease predominantly characterized by non-infectious inflammation of the tissues surrounding the joints and joints. The disease more violations of hands, feet, wrists and other small joints, if not given appropriate treatment, the condition gradually aggravated, and finally can cause joint deformity, rigidity and loss of function, leading to varying degrees of disability.