The invention relates to an external-application medicine for treating blood stasis and blood viscosity. The traditional Chinese medicine is prepared from, by weight, angelica sinensis, pseudostellaria heterophylla, loranthus parasiticus, macrosolen cochinchinensisvan tiegh, polygonum multiflorum, stahlianthus involucratus, acrangelisia loureiridiels, tinospora sinensis, the root of bidentate achyranthes, cyrtomium fortunei, rose laevigata michx, pittosporum illicioides makino, plumbago zeylanica, aeschynanthus acuminatus, gnetum montanum, sinomenium acutum, kadsura coccinea, cissus hastate, ficus pumila, mappianthus iodoides, desmos chinensis lour, schefflera octophylla, acanthopanax, piper boehmeriaefolium, sabia fasciculate, vitex negundo, lythrum salicaria and celosia cristata. The external-application medicine has the functions of activating blood, dispersing blood stasis, dispelling wind and eliminating dampness; the effect of preventing and treating blood stasis and blood viscosity is remarkable, safety is good, no side effect exists, use is convenient, cost is low, and the effect is superior to that in the prior art.