Abstract：
The urban complex is the development hot spot of the construction industry in our country at this stage. It has many characteristics，such as large scale, large investment, big influence and so on, and the difficulty of project management and risk control are significantly increased compared with the general project. BIM technology has wide application prospect in risk control of urban complex project，in this paper, the applications of BIM technology in the whole life cycle risk control of complex construction engineering is researched combined with engineering examples, which provide the theoretical guidance for related enterprises using BIM technology to control the risk of urban complex project.
