| The city's infrastructure construction is not only the substance base which accelerated the urbanization but also the important embodiment and ultimate guarantee of the city ability of development,living,investment and competition. With the development of the economic and urbanization, the servant function of the city is enhancing and the number of floating population is increasing. It is couldn't for city's infrastructure construction to satisfy the need of development. And the city's infrastructure construction is in dire need of enlarging its scale. However the tradition Investing & Financing mode just depended on the government and the investment only come from financial provision and government loan. In this mode, the main body of the investment is simplex, at the same time, the financing channel is shot, and the efficiency is lowly. And it also restricts the development of city's infrastructure construction.This paper analysis the advanced Investing & Financing theory and experience in the city's infrastructure construction both in china and aboard. Basted on the practicality of Tianjin, this paper provided the new Investing & Financing mode witch based on the purchase for government and franchise, by the example of Tianjin south canal integration renovation project. This mode not only maintenances the principal part status of the government and settle the problem of financing lacking, but also it will be beneficial to cultivating competitor and forming equitable market complexion. It is significant for the development of the city's infrastructure construction of Tianjin. |