In view of the low degree of informatization and long feedback period of traditional long-span suspension bridge construction monitoring, relying on Xintian Yangtze River Bridge, using BIM model as the information carrier, while integrating GIS and IOT technology, combined with monitoring business needs, build construction monitoring visualization The software platform provides various environmental structure status information in the process of suspension bridge construction monitoring in an intuitive and three-dimensional form to all participants, providing a reference for the realization of intelligent monitoring and the application of BIM in suspension bridge construction monitoring.