Urban renewal application of PPP model，opens up new financing channels，and the introduction of a more scientific management methods，Budgetary revenues and expenditures will be conducive to the government from the “management”，gradually turned to “assets and liabilities management”. Internet financial with its direct financing，credit evaluation，data processing，management，operation，the advantages of the platform to spread，Has great potential in the PPP project financing. For now，the Internet financial applied to old old town and shanty towns transformation and the effective mode of PPP project is P2P and all the raise，Through peer-to-peer（P2P）meet the low cost of debt financing，through the raise to raise equity capital from the society. But still exist in the operation of the following main problems：One is the financial development of the Internet also have many legal and policy barriers；The second is the PPP management lacks a unified legal system. Therefore，this article suggested：one to build a national level of Internet financial legal supervision system；Second，we must straighten out the PPP project government supervision and management system；Third，take innovation means to improve project returns and attractive.