对周岙底下穿通道的建设方案进行了介绍，重点对分离立交桥和浅埋暗挖隧道两种设计方案进行了分析、比选，综合考虑实施的技术难度、施工工期、对主体工程的影响、工程造价和金丽温高速安全通行等因素，推荐采用浅埋暗挖的隧道方案。

In the paper, the construction program of Zhou'aodi underground passage is presented, with the emphasis being placed on the analysis and comparison of the separate bridge option and the shallowburied undercut tunnel option. The technical difficulties, construction periods, impacts on the construction of Wenzhou urbanbypass highway, construction costs and impacts on the safe operation of Jinliwen highway of the two options are considered comprehensively and it is recommended that the shallowburied undercut tunnel option should be adopted.