类风湿关节炎(rheumatoid arthritis,RA)是危害人们健康的一种常见病,以慢性破坏性多关节炎为主要表现的全身性自身免疫病。早期诊断、早期治疗是阻止RA病情发展和减少致残率的关键。最近有文献报道,在RA患者尤其是活动期血清和关节液中存在较高浓度的葡萄糖6磷酸异构酶[1](G6P Rheumatoid arthritis (RA) is a common disease that endangers people’s health. It is a systemic autoimmune disease mainly characterized by chronic devastating polyarthritis. Early diagnosis, early treatment is to prevent the progression of RA and reduce the morbidity rate of the key. Recently, it has been reported in the literature that there is a higher concentration of glucose 6-phosphate isomerase in RA patients, especially in active sera and synovial fluid [1] (G6P