The idea of ????scenario-based stratified management of key customer groups in Pudong Development Credit Card Service Upgrade is as follows: 1. Stratify them according to their characteristics. According to their occupation, income, consumption habits and other characteristics, customers are divided into different categories. level. For example, customers can be divided into high-income customers, white-collar customers, student customers, etc. 2. Design different service products according to different levels of customer needs. Design corresponding service products according to different levels of customer needs. For example, for high-income customers, we can provide credit card services with higher limits and more discounts; for white-collar customers, we can provide more merchant discounts and points; for student customers, we can provide more discounts on educational consumption. 3. Focus on customer consumption scenarios. For each customer group, analyze their frequent consumption places, payment methods, etc., and design corresponding services. For example, for high-income customers, we can provide more discounts through cooperation with high-end restaurants, travel companies, etc.; for white-collar customers, we can provide more discounts through cooperation with e-commerce platforms and airports. 4. Use multi-channel methods to promote services. When promoting services, it is necessary to use different channels for promotion based on the characteristics of the customer group. For example, for high-income customers, it can be promoted through private banks, high-end social occasions, etc.; for student customers, it can be promoted on campus. Through the above methods, the scenario-based hierarchical management of key customer groups of Pudong Development Card can better meet customer needs, improve customer satisfaction, and promote the sustainable development of credit card services.