The upstream and downstream enterprises of the supply chain should trust each other and strengthen communication. This can reduce unnecessary costs and increase inventory turnover. Through supply chain management, we can achieve the following objectives, optimize services, deliver goods to our customers in a timely and rapid manner, achieve capital savings and cost reduction, and achieve scale optimization. Enterprises can purchase upstream raw material production enterprises and Downstream product distributors realize resource sharing, cost reduction and scale efficiency of upstream and downstream enterprises. At the same time, it can also strengthen the adjustment of inventory and quickly transfer the remaining inventory in one region to another region for sale. Supply chain management can maximize the satisfaction of customer needs and achieve customer satisfaction, reduce inventory and sales, and strengthen contact with suppliers