类风湿关节炎是一种以慢性对称性多关节炎为主要表现的全身性疾病,是一种常见的风湿性疾病。在欧美白人中的患病率约为1%,而中国人的患病率为0.3%～0.5%。虽然100多年以前,已经提出类风湿性关节炎这个病名,而且此后世界各国对本病的病因也作了大量的探索和研究,可惜直到如今,仍 Rheumatoid arthritis is a systemic disease characterized by chronic, symmetrical polyarthritis and is a common rheumatic disease. The prevalence in white people in Europe and the United States is about 1%, while the prevalence in China is 0.3% to 0.5%. Although more than 100 years ago, the disease name of rheumatoid arthritis has been proposed, and various countries in the world have made a great deal of exploration and research on the cause of this disease since then. Unfortunately, until now,