Integrated with the engineering practice, this paper starts from the aspects of BIM Technologies assisting the early construction, construction process, project excellence creation, etc., which introduces BIM technologies in the bidding stage, integrates GIS UAV technology, VR technology, safety evacuation simulation technology, SSGF construction method, virtual model technology, etc. It has also explored the comprehensive application ability of BIM technologies in the construction field, which has effectively improved the level of project information technology, has solved the problems in the construction process of the project and has achieved the construction objectives with high qualities and efficiencies.