The role of CRM (Customer Relationship Management) is to reduce the sales cycle and sales costs through management, increase revenue, find new markets and channels needed for business expansion, and enhance customer value, satisfaction, profitability, and loyalty. In short, it's about improving performance through management. But how do we achieve this? We need to understand the process of the CRM customer relationship management system: collecting customer information, classifying and storing it, regularly following up, identifying individual needs, and providing personalized services. To achieve the goals of customer relationship management, adjustments must be made around the entire service process.