Retaining customers is the key to the sustainable development of a business, and achieving this goal requires efforts from many aspects. First of all, providing high-quality products or services is the foundation. Only by meeting customer needs can we win customer trust and loyalty. Secondly, it is crucial to establish good customer relationships, including responding to customer feedback in a timely manner, providing professional consultation and solutions, and providing personalized care and services. In addition, companies should also enhance customer satisfaction and sense of belonging by optimizing customer experience and enhancing brand image. Finally, maintaining regular contact with customers, such as sending holiday greetings and launching promotional activities, can deepen the emotional bond with customers and promote long-term customer retention. To sum up, retaining customers requires enterprises to start from many aspects and continuously improve their capabilities and service levels in order to win the favor and loyalty of customers.