The invention relates to a preparation method of a traditional Chinese medicine for treating cardia inflammation caused by excessive drinking, belonging to the technical field of preparation methods of traditional Chinese medicines. The existing method for treating cardia inflammation caused by excessive drinking generally adopts western medicines, and has the defect of great toxic and side effects. The technical scheme is as follows: the preparation method comprises the following steps: taking Rohdea japonica Roth, huperzia serrata, Stephania japonica, taraxacum, isatis leaf, radix isatidis, Herba Patriniae, herba houttuyniae, sargentgloryvine stem, Calyx seu Fructus Physalis, ampelopsis root, radix rhapontici, asket fern, manyleaf paris rhizome, bistort, lobelia chinensis, herba potentilae, creat, Zanthoxylum bungeanum Maxim, corn silk, cucurbit, dayflower, Polygonum aviculare, fringed pink, fiveleaf akebia, ricepaperplant, rush pith, rosebay, Acalypha australis and licorice root; and soaking the 30 traditional Chinese medicines in water, decocting with soft fire, and filtering to remove slag to obtain liquor, thereby obtaining the traditional Chinese medicine for treating cardia inflammation caused by excessive drinking. The prepared traditional Chinese medicine liquid has the advantages of simple preparation process, small toxic and side effects, short treatment course and high cure rate. The monarch, minister, assistant and guide medicines are combined perfectly.