Urban infrastructure investment and financing reform should go in the direction of the market orientation.But as public goods，there is a basic constraint in its marketization.In this regard，advanced countries and regions formed a market-oriented operation mode by the project division theory and sales assessment method which on the basis of the new theory of public goods for urban infrastructure project classification.The urban infrastructure construction project is divided into non—operating item，quasi operational item and business item.According to the project properties，we defined the investment subject，operation mode，the source channels of funding and equity ownership，so that the diversification of financing construction solves the shortage of construction funds of public goods，government financial burden and the low operational efficiency，and thus becomes the world trend.We should learn from the mature experience of advanced countries，applied the project distinguish theory to the urban infrastructure investment and financing，project classification management mechanism in the construction of government led，guide the construction and use of social capital cooperation on the market mechanism，promote the urban infrastructure investment and financing market.At the same time，deepen the reform，establish and improve the basic conditions of project market operation，speed up the pace of reform and innovation in the urban infrastructure investment and financing field.