Abstract. With the intensification of market competition and the tendency of product homogeneity, the problem of channel conflict is becoming more and more obvious. In general, channel conflict is divided into three types: vertical channel conflict, multi-channel conflict and horizontal channel conflict. This article mainly analyzes the vertical channel conflict, the vertical channel conflict common performance of the conflict between the supplier and the retailer, the manufacturer and the dealer conflict, this article uses the case analysis method to the Nanchang department store event as an example, focuses on the supply Conflict between business and retailer. When the supplier provides the goods to the retailer, it will encounter an unreasonable charge of the entry fee. Therefore, this article is from the supplier's point of view. This paper analyzes the causes and results of the events by reproducing the events of the Nanchang department store, and puts forward a series of methods to solve the conflict of the vertical channels.