在查阅了大量有关缓释化肥文献的基础上，对缓释化肥的发展、现状及生产工艺作了回顾，对缓释化肥的分类、缓释尿素（ 包括涂硫尿素、大颗粒尿素、包膜尿素、添加阻溶类物质和抑制剂缓释尿素） 、长效碳铵、缓释复混肥料及含农药缓释肥料的研究和生产情况作了介绍，并对我国缓释化肥的发展前景进行展望。 After reviewing a large number of literature about slow release fertilizers, the development, status quo and production process of slow release fertilizers were reviewed. The classification of slow release fertilizers, slow release urea (including sulfur-coated urea, macroporous urea, Urea, anti-release substances and inhibitors of delayed release urea), long-acting ammonium bicarbonate, slow-release compound fertilizer and slow-release fertilizer containing pesticide research and production were introduced, and the development of China’s slow release fertilizer prospects Outlook.