The invention relates to a traditional Chinese medicine composition for treating enterotoxaemia and a preparation method thereof. The traditional Chinese medicine composition comprises, by weight, 10 to 35 parts of honeysuckle flower, 10 to 35 parts of root of large-flowered skullcap, 5 to 15 parts of imperata rhizome, 10 to 30 parts of cape jasmine, 15 to 40 parts of tuber of dwarf lilyturf and 3 to 10 parts of quicklime. The traditional Chinese medicine composition is capable of clearing away heat and toxic matters, cooling the blood, stopping bleeding and astringing sores, can effectively control symptoms of bleeding of colic lymph nodes, oedema, bleeding of hilar lymph nodes and the like of diseased sheep, has the advantages of short treatment course, good security, convenience in usage and easiness in absorption, and is an ideal traditional Chinese medicine composition for treating enterotoxaemia.