Antibiotic has been used as feed additive,for tens of gears whose harmful ness is known gradually.The developed countries have controlled kinds of antibioic as a feed additive for several years.Our country appended″WHO″last year.In order to break″green barrier″in the international trade and join the world economy.Our country must develop feed additives of having no environmental pollution.The paper reviewed the characteristics,the functions and the applied current,the existing question,the developing trends of the feed additives of Chinese herbal medicine,micro-ecologic preparation and Oligosaccharides in order to help people of feed industry produce safe feed products.