Effective supplementation of complex enzyme preparations for feeding can significantly improve the digestion and absorption of nutrients in feed, enhance the health of animals, and reduce environmental pollution, thus realizing a win-win situation in terms of economic and ecological benefits. DYSW complex enzyme preparations are designed with full consideration of the physiological characteristics of animals, the characteristics of feedstuffs, the enzymatic properties, and the feed processing chain, so as to scientifically select the types and contents of enzyme preparations ensuring sufficient enzyme activity, a full spectrum of enzymes, high effectiveness, and strong relevance. The quality of the product is guaranteed through advanced production process and quality control system, so as to realize its real application value.