In manufacturing enterprises, a significant portion of current assets are inventory taking up, but with the increasingly fierce market competition, enterprise management, cost reduction potential of other sectors has not, while reducing inventory costs is still more room, so reduce inventory costs have increasingly become "the third profit source." Currently, manufacturers generally understand the importance of inventory management, lack of management is extensive, as opposed to large manufacturing enterprises, small and medium manufacturing enterprises in the utmost lack of inventory management. In this paper, Activity Based Classification, on the content standard, EOQ inventory control and so universal inventory optimization, and analysis with examples optimize inventory management De programs designed to achieve effective compression stock material, reduce the amount of funds used to reduce product costs, improve enterprise economic efficiency and market competitiveness objectives.
Keywords: Inventory Optimization，Activity Based Classification，the standard of quantity， EOQ
