In this paper,the general characteristic and proc essing characteristic of PES and PEEK were introduced.Researching and development and applied fields o f PES and PEEK in China were expatiated.

• 叙述了特种工程塑料的界定，详细叙述了特种工程塑料PES、PEEK的物理性能和优异耐热性，介绍了PES、PEEK在我国的应用开发研究、应用领域和一些典型的制品。