Abstract: Introduced in the article is the information management network system of Baosteel HFW Plant,focusing on the configuration and key module functions of the ERP and MES systems. Six year-long operation of it indicates that the information management network system greatly benefits the enterprise in terms of quick response to the ever-changing market,fast and precise acquisition and communication of production-related information as well as effective utilization of resources,etc so as to further enhance the enterprise's efficiency and level of production,marketing,management and decision-making.