The invention provides a traditional Chinese medicine preparation for treating acute appendicitis, which is prepared from licorice, oldenlandia, snakegourd fruit, lobelia chinensis, chickweed, purslane, glabrous sarcandra herb, vernonia esculenta, galium aparine, stephanotis, pinellia tuber, common calanthe herb, drynaria, spatholobus stem, corydalis tuber, eclipta, common andrographis herb, hypericum japonicum, patrinia, cleavers, isatis root, pseudo-ginseng, dindygulen peperomia herb, luffa root, rhizoma acori graminei, rhubarb, bracken, finger citron, baikal skullcap root, carpet bugle, uncinate spikemoss herb, sowthistle-leaf ixeris seedling, officinal magnolia bark, bamboo fungus, long pepper and the like.