The invention discloses external-application traditional Chinese medicine powder for treating acute gouty arthritis and a preparation method of the external-application traditional Chinese medicine powder, belonging to the technical field of traditional Chinese medicines. The external-application traditional Chinese medicine powder contains the following 26 traditional Chinese medicines: chinese redbud bark, negundo chastetree fruit, angelica, radix paeoniae rubra, radix cyathulae, zedoary, cortex acanthopanacis, pawpaw, notopterygium root, radix angelicae tuhuo,radix angelicae dahuricae, radix clematidis, radix saposhnikoviae, radix stephaniae tetrandrae, radices trichosanthis, rhizoma chuanxiong, radix gentianae macrophyllae, fructus forsythia, liquorice, poisonvine, achyranthes aspera, rhizoma smilacis glabrae, caulis spatholobi, rhizoma polygoni cuspidate, cacumen platycladi and radix sophorae flavescentis. The invention also discloses a preparation method and a use method of the external-application traditional Chinese medicine powder. The external-application traditional Chinese medicine powder takes multiple traditional Chinese medicines as raw materials, has the efficacies of clearing away heat, removing dampness, promoting blood circulation, removing blood stasis, relieving swelling and pain, setting fracture and benefiting joints, is mainly used for treating thermal arthritis mainly presenting red, swelling, heat and pain, particularly the acute gouty arthritis, and can be further used for treating purplish swelling and pain caused by the injury of bones and muscles as well as old trauma.