To divide customer expectation into ideal level expectation and acceptable level expectation for goods or services, retail enterprises need to distinguish the different expectation levels of customers. The most basic requirement for customer recognition is when customer perception reaches a minimum acceptable levelSecondly, external marketing is also an effective way for enterprises to manage customer expectations. Enterprises can not only use traditional marketing activities to make a clear commitment to customers based on their own service positioning. At the same time, enterprises can also affect customer expectations through details, that is, the rationality of personnel services and facilities. At the same time, however, it should not be overhyped to ensure that the service value proposition is both attractive and in line with customers' reasonable expectations.