The invention provides a preparation method of a Traditional Chinese medicament for treating swelling tympanitis in an external auditory meatus, and belongs to the technical field of a preparation method of a Traditional Chinese medicament. Sulfonamides and
antibiotics are usually used for treating swelling tympanitis in the external auditory meatus; and if using
penicillin, a
skin test needs to be performed before use, and a positive person is not allowed to use. The Traditional Chinese medicament is prepared from the following bulk drugs: Chinese
mahonia leaf, tender catchweed bedstraw
herb,
dysosma versipellis, Indian stringbush root,
herb saururus chinensis, garden erphorbia
herb, longhairy antenoron herb, omoto nipponlily root and
rhizome, climbing groundsel herb, all-grass of snakefoot clubmoss, Japanese
stephania root, thymifoious
euphorbia herb, Chinese
brake herb, fruit of tree-of-heaven
ailanthus, magnolia flower, dahurian angelica, ginger, cocklebur fruit, chastetree fruit,
ligusticum sinense, peppermint, lindley butterflybush herb,
cicada slough, scabrous
patrinia root,
centipeda minima, perilla leaf, fistular onion stalk, notoperygium root and liquorice. The preparation method comprises the following steps: soaking the 29 bulk drugs in water; decocting with
slow fire; and filtering to remove residues to obtain decoction, namely the Traditional Chinese medicament for treating swelling tympanitis in the external auditory meatus. The Traditional Chinese medicament has the advantages of simple preparation process,
short course of treatment, high
cure rate and capability of avoiding adverse reaction caused by western medicaments.