The Function of GIS in the Smart City Construction

China’s 13th Five - Year Plan of national development clearly put forward that government will greatly support the construction of smart city during the period of China’s 13th Five - Year Plan. And many places have also started the staged construction of smart city. GIS (Geographic Information System) plays a very important and fundamental role in supporting the smart city construction. This paper expounds the connotation of the smart city construction, the important function of geographic information service in the smart city construction and the application advantages of GIS in smart city, and analyses the smart city construction which based on GIS, and also puts forward opinions on the smart city construction, hoping to have a positive meaning in promoting the construction of smart city.