In the production of hazardous chemicals present through the use or process of enterprises and institutions to investigate, determined the focus of prevention in Fushun City, and established a spatial database of dangerous goods and hazardous source spatial database. The environmental mathematical model was integrated into the geographic information systems, the use of geographic information system software MapObject and programming software Visual Basic 6.0, established Fushun unexpected environmental pollution emergency information. The system can simulate the migration of pollution diffusion process group to predict pollutant concentration and time of arrival, location in the event of accident quickly and easily in the event of accident, warning information timely in order to start the plan, prevent and mitigate the losses caused by pollution.