This paper studies the practice of intelligent management of underground pipelines in Beijing City.Through literature review and field research,it investigates the basic situation and operating effectiveness of Tongzhou underground pipeline three-dimensional digital management platform,flexible urban application scenario technology iteration platform,and Beijing City pipeline protection system.It reports the current situation of three cases,and puts forward countermeasures and suggestions to promote intelligent management of underground pipelines from aspects such as data management,sensing system construction,and collaborative and co-governance.It provides a reference for building a"one-network unified management"system for underground pipelines and improving the scientific,refined and intelligent level of underground pipeline management.