In recent years, the application of BIM technology in urban rail transit has emerged in large numbers. However, the modes, problems and understandings of various localities have changed greatly, which has led to the uneven application effect of BIM technology in urban rail transit. Based on the needs of the builders, this paper introduces in details the BIM overall management system of Beijing Subway Line 19, including BIM application standards, BIM collaborative work platform, BIM data integration and management platform, BIM applications at various stages and at typical work sites. Demonstration application provides a visual management tool for the construction management of the construction company, and provides implementation ideas for BIM technology applications in other cities..