The invention belongs to the field of Chinese medicinal preparations, in particular to a Chinese medicinal plaster for treating arthritis, which is prepared from the following Chinese medicinal raw materials: blackone chicken, live trionyx, cassia twig, Chinese ephedra, common bletilla tuber, stiff silkworm, divaricate saposhnikovia root, notopterygium root, dahurian angelica root, double-teeth pubescent angelica root, twotooth achyranthes, clematis root, large-leaved gentian, siberian cocklour fruit, erythrina bark, mulberry twig, Chinese atractylodes, szechuan lovage rhizome, frankincense, myrrh, safflower, suberect spatholobus stem, garden balsam stem, costus root, cortex eucommiae, centipede, towel gourd vegetable sponge, prepared rehmannia root, slenderstyle acanthopanax bark, scallion root, Chinese angelica, common monkshood mother root, kusnezoff monkshood root, minium, pepper root, silkworm dropping, red paeony root and amur corktree bark. The Chinese medicinal plaster has thecharacteristics of quick response, low cost, freeness from toxic and side effects, difficulty in relapsing and the like.