光子晶体光纤(PCF)具有许多不同于普通光纤的特性，将PCF应用于传感领域是近年来的研究热点。介绍了PCF的基本结构、导光原理及制备方法，概述了干涉型、吸收型、荧光型、表面等离子体共振型、拉曼散射型及光栅型PCF传感器的原理及国内外研究进展，分析了其应用领域和优缺点，展望了PCF传感器的发展趋势。

Photonic crystal fiber (PCF) has many characteristics which are different from those of traditional optical fiber, and the application of PCF in sensing field becomes a hot research topic in recent years. The basic structure, guiding principle and preparation method of PCF are introduced. The principle and research progress at home and abroad of interference, absorption, fluorescence, surface plasmon resonance, Raman scattering and grating PCF sensors are summarized. The application fields, advantages and disadvantages of PCF are analyzed. The development trend of PCF sensors is prospected.