The pipeline relocation in the renovation project basically uses the existing urban roads and underground space in the municipal planning area. The complexity of various pipeline crossing operations is much higher than that of general new projects. This article discusses the design ideas for the relocation of municipal pipelines, combined with the pipeline relocation plan of the Caojin Road rapid transformation project. The planning and construction of micro-pipe galleries in the renovation project can intensively reduce the occupancy of underground space and is conducive to improving the comprehensive carrying capacity of cities.