虽然城市发展的速度不断的加快,但是随之而来的交通压力也越来越大。而城市轨道建设的发展则有效的改变了这一现状。怎样确保城市地铁建设工程的安全、快速、更高质量是目前城市地铁从建设过程中所面临的主要问题。本文主要是就盾构施工技术的原理以及这一技术在地铁工程建设施工过程中的应用进行了深入的分析和研究。 Although the pace of urban development continues to accelerate, the traffic pressure that comes with it is also growing. The development of urban rail transit has effectively changed the status quo. How to ensure the safety, speed and quality of the urban subway construction project is the main problem that the subway in the city faces from the construction process. This paper mainly analyzes the principle of shield construction technology and the application of this technology in the subway construction.