The invention discloses a traditional Chinese medicine composition for conducting fumigation-washing treatment for anal pendant expansion after hemorrhoid-fistula operations. The traditional Chinese medicine composition is prepared with traditional Chinese medicine materials and auxiliary materials and comprises, by weight, 26-33 parts of Astragalus mongholicus, 26-33 parts of dandelion, 12-18 parts of bighead atractylodes rhizome, 12-18 parts of Chinese violets, 12-18 parts of hairyvein agrimony, 12-18 parts of patrinia, 12-18 parts of cassia twigs, 8-12 parts of Chinese angelica, 8-12 parts of szechwan Chinaberry fruit, 4-6 parts of rhizoma cimicifugae and 4-6 parts of gallnut. The traditional Chinese medicine composition directly acts upon affected regions through the efficacy and the heating power of the traditional Chinese medicine composition during fumigation-washing treatment, so that affected regions are dredged in skin grain and subcutaneous flesh texture and smooth in vital energy and blood, effects of heat clearing, diuresis promoting, blood circulation invigorating, swelling subsiding, convergence and pain relieving can be achieved, the local blood circulation can be improved, the permeability of blood capillaries of inflammatory areas can be reduced, and the seepage can be reduced; and main and collateral channels are dredged after fumigation-washing treatment, vital energy and blood are mediated, patients feel comfortable and relaxed, and the overall curative effect is significant.