Abstract: Coal system is a complex system made up of people flow, material and energy flow and information flow. The occurrence of hazards mainly because the information exchanges process is not synergetic in the system and with the environment. The Information demand model is a basic work. According to the actual situation of the locale, identifies and analyzes dangerous and harmful factors, determines the location of dangerous and harmful factors and finds approaches and the regular pattern of the occurrence of accidents. Through the study of this article, we will be able to develop coal enterprises preventive measures and provide a scientific basis for management decisions. Guarantee the safety management of coal enterprises to be carried out continuously and effectively.