The invention relates to poultry feed additive which comprises probiotics enzymic preparation, tea polyphenol, apple polyphenol, amino acid, ethyoxyl quinine, vitamin E, vitamin C and traditional Chinese medicine additive. The probiotics enzymic preparation mainly consists of garment bacillus, bacillus subtilis, enterococcus faecium, streptococcus faecium and xylanase; and the traditional Chinese medicine additive comprises ginger, schisandra chinensis, scutellaria baicalensis, 10-20 parts of folium isatidis, salvia miltiorrhiza, angelica sinensis, rhizoma fagopyri dibotryis, radix paeoniae alba, fructus crataegi and folium ginkgo. The poultry feed additive can adjust the balance of intestinal flora, can recover the intestinal function, can prevent diseases, can improve the production performance, can directly kill and restrain bacteria, and can adjust the body immune function; and in addition, the additive can prevent oil in the feed from being acetified in any period, so that the stability of the feed in the storage process is improved; and the additive has better economic and social benefits.