The invention provides a Chinese medicinal plaster for treating alcohol-induced osteonecrosis. The Chinese medicinal plaster comprises Chinese medicinal composition powder, sesame oil and a matrix, wherein the Chinese medicinal composition comprises discorea nipponica makino, tortoise shell, wild ginger, crude rehmannia root, Chinese angelica rootlet, safflower, ligusticum wallichii, red paeony root, white paeony root, peach kernel, earthworm, clematis root, Chinese taxillus twig, hypoglaucous collett yam rhizome, cassia twig, diverse wormwood herb, common clubmoss herb, obscured homalomena rhizome, combined spicebush root, ovientvine, suberect spatholobus stem, pawpaw, cortex eucommiae, malaytea scurfpea fruit, south dodder seed, medlar, prepared rehmannia root, twotooth achyranthes root, east Asian tree fern rhizome, songaria cynomorium herb, epimedium herb, prepared common monkshood mother root, prepared monkshood, nutgrass galingale rhizome, turmeric root tuber, red-rooted salvia root, fortune's drynaria rhizome, astragalus, deerhorn glue, turtle shell and medicinal indianmulberry root. The invention also discloses a preparation method for the Chinese medicinal plaster and application of the Chinese medicinal plaster. The plaster has the advantages of convenience for use, high curative effect, short treatment course and quick response.