In light of traditional tunnel health monitoring status and limits,the paper puts forward FBG sensor technology,describes its applica-tion methods in tunnel health monitoring,and finally points out the merits of FBG sensor technology,such as high sensitivity,good electrical in-sulating property,and strong anti-aging capacity and so on.%针对隧道传统健康监测的现状及局限性，提出了布拉格光纤光栅（ FBG）传感技术，并对该技术在隧道健康监测中的应用方法进行了阐述，指出FBG具有灵敏性高、电绝缘性好、抗老化能力强等优点。
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