Based on the technology of sponge city in urban design study

Most cities in our country are facing severe water security risks, how to change urban water safety management idea, sponge city theory provides a new solution in this area. This paper introduces the geneses of the urban water security, sponge city related theory in urban design, and how to use the sponge the content of the urban design idea, etc. From the perspective of urban designers, System of urban drainage, rainwater drainage and sponge urban construction the top policy design, and provide some useful Suggestions for the construction of the city. Points out that only in the unity of the competent department of city construction, the urban design of various professional collaboration, division of labor cooperation, to the smooth implementation of the sponge construction of city.