Abstract: Delsi-Tanisagua Hydropower Station is a large-scale hydropower project abroad, which is constructed and managed by using the Chinese technology and European codes, respectively.Though the interface of CATIA, Itas CAD, Bochao STD and other professional design software, a collaborative digital design platform is set up to implement the standardized design, collision analysis, calculation analysis, engineering drawings, and etc.All engineering project data sources are integrated and a unified project data center is built, to provide effective support for the high efficiency and fine management for the whole life cycle of the project.