The invention provides a poultry traditional Chinese medicine feed additive which does not contain chemical medicines and hormone medicines, is prepared from pure traditional Chinese medicines and realizes functions of increasing immunity, resisting infection, adjusting functions, preventing avian influenza, promoting reproduction and fattening and increasing weight. The poultry traditional Chinese medicine feed additive is prepared from the following raw materials of traditional herbal medicines in parts by weight: 30-40 parts of radix codonopsis, 30-40 parts of radix astragali, 30-40 parts of poria cocos, 30-40 parts of mushroom, 28-38 parts of rehmanniae, 28-38 parts of hippophae, 28-38 parts of pricklyash peel, 28-38 parts of herba artemisiae annuae, 25-35 parts of rhizoma polygoni cuspidati, 25-35 parts of pumpkin seed, 25-35 parts of camphor leaves, 25-35 parts of ginkgo seeds, 20-30 parts of almond, 10-20 parts of Chinese angelica, 10-20 parts of rhizoma ligustici chuanxiong, 20-30 parts of semen cuscutae and 10-20 parts of mint leaves. According to the formula proportions, the raw materials of traditional herbal medicines are dried and ground into fine powder of 300-400 meshes and mixed uniformly and granulated to obtain finished products.