The invention discloses a traditional Chinese medicine preparation for accelerating animal growth and enhancing physique thereof and a preparation method. The traditional Chinese medicine preparationis prepared from the following components in parts by weight: 0.5-3 parts of codonopsis pilosula, 1-4 parts of bighead atractylodes rhizome, 2-5 parts of acanthopanax, 1-4 parts of jasmine, 3-8 partsof malt and 2-5 parts of glycyrrhiza. The traditional Chinese medicine preparation is combined by special components which interact; codonopsis pilosula and bighead atractylodes rhizome are monarch medicines for tonifying healthy qi of spleen; acanthopanax which is a ministerial medicine nourishes liver and kidneys and enhances the efficacy of the monarch medicines; jasmine which is an adjuvant clears always heat and wet; malt which is an adjuvant invigorates spleen to promote digestion; and glycyrrhiza which is a conductant medicine harmonizes the medicines. By adding the traditional Chinesemedicine preparation to a feed, the growth speed of animals can be accelerated effectively, the diarrhea rate and death rate of animals can be reduced, and the immunity and antioxidation of the animals are improved. The traditional Chinese medicine preparation is low in cost, non-toxic and free of side effects.