Taobao private domain operation mainly includes customer retention, fan management, content marketing and other aspects. The key ideas and methods include: establishing a customer tag system, improving precision marketing effects through customer portraits and layered marketing; building communities, enhancing fan stickiness through social interaction and content sharing; creating personalized content, combining product characteristics and user needs, providing valuable content, and improving user participation and conversion rate. At the same time, it is necessary to continuously optimize data operations and user experience to improve user loyalty and repurchase rate.