The invention provides a traditional Chinese medicine composition for treating rheumatoid arthritis, which is formulated according to Jun Chen Zuo Shi. The formula is: Monarch medicine: drynaria 18, psoralen 12, rehmannia glutinosa 15, epimedium 12, antler slices or antler glue 12; ministerial medicine: notopterygium 12, dog ridge 30, chuanduan 18, solitary living 10 , eucommia 20, yam 12, angelica 12, chuanxiong 9, white peony root 12, roasted ephedra 6, dried ginger 6, clematis 15, windproof 12, white silkworm 12, raw barley 30; cassia twig 9; adjuvant medicines are: Zhishanjia 6, Atractylodes macrocephala 10, Radix Astragali 50; According to the diagnostic criteria revised by the American College of Rheumatology in 1987, 30% of the symptoms were completely improved, 33% were markedly improved, 30% were improved, 7% were not improved, and the total improvement rate was about 93%. The curative effect is exact and the treatment effect is good.