As local governments have difficulties in financing U-City projects very much at once, investment from private sectors is necessary. This paper propose methodologies about preliminary feasibility study of private investment in U-City construction. They are concrete shapes of feasibility study methodologies of KDI PIMAC to meet U-City construction. They are feasibility study of private investment by policies of the local government and the central government, methodologies of financial VFM analysis to cost during a U-City project, methodologies of qualitative VFM analysis of project management, U-City service quality and operation efficiency of U-City infrastructure . They give concrete examples of the Ansan U-City project.