The invention discloses a medicine for treating dermatophytosis. Honeysuckles, folium artemisiae argyi, prunella vulgaris, safflower, purslane, forsythia suspensa, fructus aurantii, uncaria, licorice roots, rhizoma coptidis, cortex acanthopanacis, tribulus terrestris, radix puerariae, lalang grass rhizomes, alum, wrinkled gianthyssop herb, radix sileris, Chinese prickly ash, dandelion, houttuynia cordata, radix angelica sinensis, astragali radix, atractylodes lancea, amur corktree barks, wild chrysanthemum flowers, Chinese wolfberry fruits, pseudo-ginsengs, saussurea costus, vinegar, angelica dahurica, salt, sophora flavescens, mint, common cnidium fruits, borneol, gingko leaves, mulberry twigs, cortex albiziae, Chinese yams, andrographis paniculata, frankincense, Chinese rhubarb and other medicines are scientifically and reasonably compatible according to the principle of 'monarch, minister, assistant and guide', and the medicine has the advantages of being simple in preparation, low in cost and quick in dermatophytosis treating effect, counteracting toxic substances, eliminating blood stasis, killing parasites, removing stasis, detoxifying, relieving pain, eliminating wind heat, relieving itching, enabling the dermatophytosis not to easily relapse and being safe and reliable.