An IFC-based digital project delivery platform is developed regarding features of project feasibility stage. BIM technology is adapted in pre-construction stage, a BIM model is implemented for project feasibility stage application. It can record various technico-economical indexs needed during pre-construction stage and assist reviewers understand overall project plan intuitively. Reviewers make their judgement to project validity and compliance very quickly, pre-construction approval process can be advanced and efficiency of project implementation can be promoted.