Feed additive for improving quality of chicken meat and preparation method of feed additive

The invention belongs to the technical field of feeds, and particularly discloses a feed additive for improving the quality of chicken meat, and a preparation method of the feed additive. The feed additive for improving quality of the chicken meat is mainly prepared from the following components in parts by weight: 18-28 parts of alfalfa, 15-25 parts of lily bulbs, 15-20 parts of licorice roots, 3-8 parts of slender dutchmanspipe roots, 1-5 parts of bighead atractylodes rhizomes, 1-3 parts of white mulberry root bark and 0.01-0.02 part of probiotic flora. The preparation method comprises five steps of preparing an extract, preparing extraction dregs, preparing a traditional Chinese medicine compound culture medium, preparing prebiotic fermentation liquor and preparing the feed additive. The feed additive is safe, free from toxic and side effects, high in content of effective components and good in effect; after the feed additive is applied to breeding of chickens, the flavor and the compactness of the meat qu