Along with the development of urbanization, the city scale gradually widened, and the urban population has increased dramatically, and the contradiction between supply and demand of municipal infrastructure is becoming more and more serious. The managers and planners payed more attention to the reform and improvement of the infrastructure on the ground, but seriously insufficient investment for underground infrastructure. Based on the perspective of city underground drainage pipe network construction and transformation, this paper introduces the present situation of urban drainage pipe network, analyzes the existing problems, discusses the functions of the government and the related departments which are the main supply in this field, also points out the deficiencies of government functions in the public goods, then put forward some suggestions.
