User behavior analysis and decision-making guidance of customer hierarchical management system: personalized marketing strategy optimization of overseas store CRM In today's highly competitive business environment, understanding and analyzing user behavior is crucial for the success of any customer relationship management (CRM) system. This is especially true for overseas stores, where the customer base is diverse and the market dynamics are constantly changing. In order to effectively target and engage customers, it is essential to have a deep understanding of their behavior and preferences. One way to achieve this is through the implementation of a customer hierarchical management system, which allows businesses to categorize their customers based on various criteria such as purchase history, demographics, and engagement levels. By segmenting customers into different groups, businesses can tailor their marketing strategies to better meet the needs and preferences of each segment. Furthermore, by analyzing user behavior within each segment, businesses can gain valuable insights into the preferences and tendencies of their customers. This information can then be used to optimize personalized marketing strategies, ensuring that the right message is delivered to the right customer at the right time. In the context of overseas stores, this approach is particularly important as it allows businesses to adapt their marketing strategies to the specific needs and preferences of customers in different regions. For example, by analyzing user behavior, businesses can identify which products are popular in certain regions, and tailor their marketing efforts accordingly. Similarly, businesses can also identify which marketing channels are most effective in reaching customers in different regions, and allocate their resources accordingly. In addition to optimizing personalized marketing strategies, the insights gained from user behavior analysis can also provide valuable guidance for decision-making. By understanding the preferences and tendencies of their customers, businesses can make more informed decisions about product development, pricing strategies, and inventory management. This can ultimately lead to improved customer satisfaction and increased sales. In conclusion, user behavior analysis and decision-making guidance are essential components of any customer hierarchical management system, especially for overseas stores. By understanding the preferences and tendencies of their customers, businesses can optimize their personalized marketing strategies and make more informed decisions. This can ultimately lead to improved customer satisfaction, increased sales, and a stronger competitive advantage in the global market.