类风湿性关节炎 (rheumatoidarthritis,RA)是以对称性多关节炎为主要临床表现的异质性、系统性疾病 ,呈慢性、进行性、破坏性过程 ,早期诊断十分重要。近年来 ,国内外风湿病学者 ,在发病机制、炎性标志物、自身抗体和影像学等方面做了诸多研究 ,本文仅对实验室研究进展作如下讨 Rheumatoid arthritis (RA) is a heterogeneous, systemic disease with chronic, progressive and destructive processes characterized by symmetrical polyarthritis. Early diagnosis is very important. In recent years, rheumatologists both at home and abroad have done a lot of researches on the pathogenesis, inflammatory markers, autoantibodies and imaging, and so on. This article only discusses the progress of laboratory research