Facing market competition, a cooperate should integrate their internal resource, and their upper and lower streams to form a complete supply chain in order to proceed efficient value added activities. Enterprise resource planning, as being the core of enterprise management systems, helps corporate overall planning production, financial, human resource, material, and information resources, and provides both in time and completeness information for decision making. This course introduces the basic concepts, planning contents, introducing strategies, introducing flow, critical success factors, and results evaluation of enterprise resource planning. The influences to organization and operations are discussed too.