Customer satisfaction refers to the degree of customer satisfaction with the enterprise and its products/services. Customer satisfaction is also a state of feeling of customers towards the enterprise, and in this feeling customer loyalty is a concept derived from the concept of customer satisfaction, which refers to a psychological tendency of trust, maintenance and hope of repeated purchase of a certain product brand or company generated after customer satisfaction. Customer loyalty is actually a kind of continuity of customer behavior. Customer loyalty refers to the degree of customer loyalty to an enterprise. There are two forms of customer loyalty: one is the willingness of customers to be loyal to the enterprise; One is customer loyalty to the enterprise. However, the two forms are often confused by ordinary enterprises. In fact, the two forms are essentially different. The former does not produce direct value to the enterprise itself, while the latter is very valuable to the enterprise. The reason is very simple. Customers have only wishes but no actions, which is meaningless to enterprises. What enterprises should do is, first, to promote the transformation degree of customers from "will" to "behavior"; The second is to further improve the transaction frequency of customers in enterprises through cross-selling and up-selling.