British Martin Christopher believes that supply chain refers to the network of upstream and downstream enterprise organizations involved in the process and activities of providing products or services to the final consumer. Ma Shihua etc to think supply chain is around the core enterprise, through to the information flow, logistics, cash flow control, starting from the procurement of raw materials, made of intermediate products and final products, and finally by the sales network products to consumers’ hands will suppliers, manufacturers, distributors, retailers, until the end user together as a whole function nets chain structure. In 2001, China issued Terms of Logistics (GB/T183542001) to unify the concept of supply chain. Supply chain refers to the network chain structure formed by upstream and downstream enterprises that provide products or services to end users in the process of production and circulation. It can be found from the above concepts that supply chain is a network chain structure which has been recognized by the society.