Professor LIN Chang-Song has been engaged in the treatment of rheumatic disease with traditional Chinese medicine for more than 30 years and has his unique personal experience in the treatment of rheumatoid arthritis.It is considered by Professor LIN Chang-Song that the fundamental pathogenesis of rheumatoid arthritis is related to the blockage of wind, dampness and blood stasis, insufficiency of liver and kidney, and impairment of bones and muscles, which is characterized by “dampness“ , “blood stasis“ and “deficiency“ .For the treatment of rheumatoid arthritis, Professor LIN Chang-Song stresses that the differentiation of active stage and remission stage should be performed firstly.In the active stage, therapy of expelling wind and dampness is mainly used, and the modified, Guizhi Shaoyao Zhimu, Decoction is adopted for expelling wind and dampness, unblocking collaterals and relieving the pain.In the remission stage, therapy of promoting blood circulation and strengthening bones and muscles is mainly used, and, Duanteng Yimu, Decoction is adopted for enhancing the action of dredging blood vessels on the basis of expelling wind and dampness.The complicated syndromes are mainly manifested as downward attack of dampness and the insufficiency of, qi, and blood, which can be treated with modified, Wuling, Powder,Huangqi Guizhi Wuwu, Decoction or, Bazhen, Decoction respectively.By following the therapeutic principles of expelling wind and dampness, promoting blood circulation, and strengthening bones and muscles, Professor LIN Chang-Song performs cause determination and treatment adapted to the climate, individuality, and environment, prevention of aggravation after disease, and prevention disabilities after disease.Professor LIN Chang-Song also stresses the importance of health training, psychological treatment, sports regimen, and follow-up after medication.Through the comprehensive treatment, satisfactory clinical efficacy has been achieved for the treatment of rheumatoid arthritis.