This paper introduced five kinds of tunnel lining structure types,taking the complex lining for example,analyzed the main points of secondary lining construction,and from lining shutter construction,steel welding,mixture mixing,transport,form stripping,health maintenance and other aspects made elaboration,to ensure the safety of tunnel.%介绍了隧道衬砌的五种结构类型，以复合式衬砌为例，分析了二次衬砌施工的要点，并从衬砌台车施工、钢筋制作焊接、混合料拌制、运输、拆模、养生等方面作了阐述，以保证隧道的安全性。
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