The invention relates to a traditional Chinese medicine composition for treating cow ketosis. The traditional Chinese medicine composition is prepared from the following ingredients in parts by weight: 75-85 parts of radix codonopsitis, 75-85 parts of rhizoma atractylodis, 55-65 parts of radix astragali, 55-65 parts of honeysuckle, 95-105 parts of ordate houttuynia, 45-55 parts of tuckahoe, 55-65parts of angelica, 45-55 parts of motherwort, 35-45 parts of hemlock parsley, 55-65 parts of red paeonia, 55-65 parts of prepared rehmannia root, 75-85 parts of fructus amomi, 35-45 parts of jujube kernel, 35-45 parts of poria with hostwood, 25-35 parts of milkwort, 45-55 parts of fried fennel, 45-55 parts of costus root, 95-105 parts of medicated leaven, 45-55 parts of Atractylis ovata, 55-65 parts of Magnolia officinalis, 45-55 parts of bitter orange and 45-55 parts of licorice. The combination and preparation method of the traditional Chinese medicine composition provided by the invention are simple, and the traditional Chinese medicine composition has low cost and is safe and reliable; after the traditional Chinese medicine composition is administered, the symptoms of the cow suffering from ketosis is rapidly alleviated, the cow rapidly recovers, and the curative effect is obvious; and 58 cases of the cows suffering from ketosis are treated with the traditional Chinese medicine, and the curative rate reaches 86%.