The invention provides a traditional Chinese medicine for treating facial neuritis and a preparation method thereof. The traditional Chinese medicine for treating facial neuritis is characterized by being prepared from the following traditional Chinese medicine raw materials in parts by weight: lithospermum, honeysuckle, dandelion, radix isatidis, Chinese prickly ash, capillary artemisia, jasmine, scorpion, angelica sinensis, radix sophorae tonkinensis, sargentgloryvine stem, radix clematidis, stephania terandra, rheum officinale, ligusticum wallichii, safflower, salviae miltiorrhizae, cortex dictamni, cassia twig, asarum, cynanchum atratum, loofah sponge, bletilla, common clubmoss herb, black bamboo root, turmeric, unprocessed rhizoma arisaematis, airpotato yam rhizome, radices trichosanthis, catechu, cordate houttuynia, herba andrographitis, gynura bicolor, scutellariae barbatae, desmodium, cuttlebone, fresh chrysanthemum, fresh aloe, mirabilitum praeparatum, borneol, bezoar, pearls, calcined gypsum, nux vomica, evodia rutaecarpa, hippocampus, red halloysite, gallnut, calamine, fresh folium artemisiae argyi, fresh potatoes, fresh ginger and licorice. The traditional Chinese medicine is externally applied to the damaged face of a facial neuritis patient, has the effects of clearing away heat and toxic materials, relieving pain, eliminating swelling, promoting blood circulation to remove blood stasis, dispelling cold and dredging collaterals and is capable of rapidly subsiding the swelling of the damaged face and restoring original functions.