Total inventory management,Total Inventory Management，the earliest by Mr. Cheng Xiaohua in 2008 to "comprehensive inventory management" article, published in the "Journal of logistics technology and application", after the way the teacher in dozens of large and medium-sized manufacturing enterprises continue to practice, summed up, it has formed a set of perfect inventory control system, mainly used in the manufacture of integrated supply chain management and inventory control, audit, training design, continuous improvement.
Based on SCOR, from the point of view of TIM comprehensive inventory management, the whole "demand and supply chain", in fact, is a "inventory chain".    
Therefore, the essence of TIM comprehensive inventory management is to seize the "core problem of inventory" of the supply chain management on inventory from the point of view, a comprehensive perspective of enterprise supply chain management, ERP, through the optimization of the whole chain inventory, improve supply chain management performance.