Abstract: In recent years, a series of major incidents occur continually, which accelerates the construction work of government emergency information platform. Firstly, the functions of a large urban district emergency information platform are analyzed. Secondly, architecture of the platform is given, and the architecture includes five layers, such as network communication layer, information resources layer, information sharing and exchanging layer, business layer and portal layer. Finally, by the analysis of the case of Tianjin Economic-Technological Development Area emergency information platform, the scheme of a district emergency information platform is introduced.

Key words: emergency information platform, urban district, emergency, architecture