植酸酶是一种新型饲料添加剂 ,它能提高动物对饲料中植酸磷的利用率 ,降低粪便中磷的排泄量 ,因而开发和研究水产专用植酸酶具有重要的生产和环保意义。综述了植酸酶对水产动物的作用机制、研究现状 ,并对植酸酶在水产饲料中应用所面临的问题及前景进行分析。 Phytase is a new type of feed additive, which can improve animal utilization of phytate phosphorus in feed and reduce phosphorus excretion in feces. Therefore, the development and research of phytase for aquatic products has important production and environmental protection significance. The mechanism and research status of phytase on aquatic animals were reviewed. The problems and prospects of phytase application in aquafeeds were also analyzed.