In early 2015，the ministry of finance，housing in urban and rural areas，the ministry of construction and ministry of water resources issued the notice，the notice said they should carry out the central financial support for the sponge cities in some cities across the country，and then，has a rapidly promotion across the country. This interpretation will from 3 aspects，a policy brief，the cognition of sponge city and urban planning and design sponge city，to carry on a simple review and comb in construction situation of sponge city in our country in 2015.