Abstract: The development periods of energy management in the iron & steel enterprises in China are introduced.And for the on-line energy resource media detecting of advanced energy management system(EMS),the energy efficiency analysis and the optimization control of main energy consuming equipments and production processes,the system intergrating platform and the management,analysis and optimization technologies of multiple energy media,the novel research items and progresses are stated in detail.The applications of these research results to the energy management system of iron & steel enterprises will effectively improve the effects of energy management.