| The 21st century is the information age, information has become a national economic construction and social development and the strategic resources. To use information technology to transform traditional business, using information management tools to replace the traditional methods of corporate governance is the general trend, and information technology in the China's accession to WTO, the core competitiveness of enterprises to improve the road must have, but also Chinese enterprises to participate in global competition pass.In this paper, Inner Mongolia Branch of China Unicom as the core ERP systems, to ERP information management system based on ideological basis and means to introduce the basic theory of the ERP system, China Unicom, Inner Mongolia Branch ERP system requirements, design and application analysis. Based on actual cases, in-depth analysis of China Unicom Inner Mongolia Branch ERP system master plan, all subsystems functional structures. In the ERP system theory and practical system based on the case, elaborated on China Unicom Inner Mongolia Branch ERP system, network construction and implementation process, and in-depth analysis of China Unicom Inner Mongolia Branch ERP subsystems in the process design, coding, implementation, system testing and commissioning, etc. problems. Combination of work experience and the current status of system operation is given to solve the problem of specific methods, measures and suggestions for improvement. |