Eucommia ulmoides is a traditional Chinese medicine with abundant resources. In the veterinary medicine field, the bark and leaves of eucommia ulmoides are traditionally used as growth enhancer, growth enhancer, egg enhancer, galactagogue and animal immune enhancer. Farmers have been aware of the benefits of eucommia ulmoides feeding animals and are more emotionally receptive. In recent years, it has been preliminatively confirmed that eucommia ulmoides bark, leaf extract and eucommia ulmoides leaf powder can improve the health level and production performance of livestock, poultry and fish. It can improve the health of old chickens, delay the decline of laying ability, and improve the quality of meat and eggs. It has been preliminarily confirmed that eucommia ulmoides leaf extract has the same effect as chemical fungicide as a feed fungicide, and has the potential to develop a new type of feed antioxidant.