系统介绍了古玉器鉴定中常用的红外光谱测试方法，其中包括溴化钾压片法、镜面反射法、漫反射法和 红外显微镜法。说明了各个方法在古玉器鉴定方面的应用，对比了各种测试方法的优缺点。针对玉石品 种的识别、加工磨料残余的识别、古玉沁变物的识别以及蚀变与玉质的关系研究等问题，举例说明了红 外光谱测试技术在玉石鉴定中的应用。

Infrared spectral detection methods such as the KBr powder method, specular reflection method, diffusion method and infrared microscope method which are commonly used in antique jade appraisal are presented systematically. The application of each method in antique jade appraisal is explained and their advantages and disadvantages are compared. In view of the identification of jade kinds, abrasive machining residual and antique jade alerting and the relation of alteration to jade quality, the applications of the infrared spectral detection method in jade appraisal are illustrated.