Philip Kotler's "Marketing Management" can be said to be the foundation of modern marketing. This textbook has changed the concept of marketing, which is mainly based on promotion, sales and advertising. There is no customer loyalty that cannot be offset by 2 cents cheaper. The famous American marketing expert Philip Kotler’s definition of marketing: “Marketing is the enterprise An activity designed to identify currently unmet needs and desires, estimate and determine the size of demand, select and determine the target markets that the enterprise can best serve, and determine appropriate products, services, and programs. In order to serve the target market." Philip Kotler once wrote that marketing is the key to "creating value and improving living standards around the world," and he has always tried to make a profit while satisfying people's needs. Discussions about marketing are elevated above products and services.