Abstract: With the modernization and intelligent development of urban construction, more and more underground space projects will use BIM technology. As an important part and infrastructure of the modern smart city, the utility tunnel is an important part of the modern smart city, it can be applied through BIM technology, to solve the common problems of pipeline and structure collision in traditional construction, and assist in construction and later operation and maintenance management. Research shows, BIM technology plays an important role in the design, construction, operation and maintenance life cycle of pipe gallery project