The invention discloses a traditional Chinese medicine inunction agent for treating dental ulcers. The traditional Chinese medicine inunction agent is prepared from the following raw materials in parts by weight: 6-10 parts of coptis chinensis, 4-5 parts of golden cypress, 2-4 parts of folium isatidis, 6-8 parts of radix scrophulariae, 1-3 parts of corydalis tuber, 8-10 parts of honey-fried licorice roots, 4-5 parts of cassia twigs, 2-4 parts of astragalus, 5-6 parts of cuttle-bones, 12-15 parts of lophatherum gracile, 12-15 parts of Chinese olives, 4-5 parts of radix ophiopogonis, 2-4 parts of juncus roemerianus, 6-8 parts of cacumen biotae, 4-5 parts of earthworms, 8-9 parts of common andrographis herb, 4-5 parts of indigo naturalis, 2-4 parts of sliced cucumbers, 1-3 parts of fructus evodiae, 6-8 parts of radix curcumae longae, 4-5 parts of rolygonum Chinense, 2-4 parts of dandelions, 5-6 parts of codonopsis pilosula, 1-3 parts of laportea and 2-4 parts of ephedradine B. The traditional Chinese medicine inunction agent disclosed by the invention is simple to prepare, good in absorption effect, remarkable in curative effect in treating dental ulcers, free of side effects and high in safety; the drugs are combined to achieve the effects of clearing away heat and toxic materials, relieving swelling and pains, timely relieving diseases of a patient and completely curing the diseases, and can be used for completely treating the dental ulcers.