In the operation stage, the small and medium-sized enterprises in the supply chain can use this way to trade financing. The so-called financing mode of financing warehouse refers to that in the middle link of the production and operation of small and medium-sized enterprises, in order to obtain the funds necessary for the production and operation of enterprises, enterprises can take the inventory accepted by the bank as the pledge guarantee, and then the core enterprises in the supply chain, logistics enterprises, and small and medium-sized enterprises in loans sign an effective guarantee agreement to obtain the financial support of the bank, and then Through the large-scale logistics enterprises in the chain to provide one-stop convenient services for small and medium-sized loan enterprises, thus ensuring the safety of funds, improving the efficiency of products and funds.