中文摘要：

在简要介绍聚硅氮烷发展历程的基础上，综述了聚硅氮烷的应用研究进展，主要包括纤维、涂层、块体、多孔陶瓷、微电子机械系统（MEMS）等应用形式，并结合本课题组在聚硅氮烷方面的研究成果展望了聚硅氮烷的发展前景。

英文摘要：

After a briefly introduction of polysilazanes, their application progress including the prepara- tion of ceramic materials, such as fiber, coating, bulk, porous ceramic, and MEMS, was reviewed. The pros- pect of polysilazane was discussed on the basis of our research work.