The invention relates to traditional Chinese medicine decoction for treating rheumatoid arthritis. The traditional Chinese medicine decoction is prepared from the following bulk drugs: 15g of cassia twig, 30g of radix paeoniae rubra, 30g of radix paeoniae alba, 12g of rhizoma anemarrhenae, 15g of radix rehmanniae, 9g of radix aconite, 6g of kusnezoff monkshood, 12g of radix aconiti carmichaeli, 30g of tuckahoe, 12g of dried ginger, 30g of honeysuckle, 30g of forsythia, 30g of honeysuckle stem, 30g of orientvine, 9g of ephedra, 15g of atractylodes, 15g of rhizoma atractylodis, 30g of seed of Jobs tears, 30g of radix astragali, 12g of angelica, 12g of peach kernel, 12g of safflower, 2 centipedes, 15g of tripterygium wilfordii, 30g of radix isatidis, 30g of sargentgloryvine stem, 12g o f alisma, 6g of licorice root, 10g of radices sileris, 15g of rhizoma cibotii, 15g of ginger, and 15g of notopterygium. The traditional Chinese medicine decoction provided by the invention has the effects of relieving joint and muscle pain, and the like, and has significant curative effect in the treatment of the rheumatoid arthritis and the like, with the effective rate of 96.6%, and without toxic or side effect.