Customer database construction and drainage rebate system based on product sales platform

The invention discloses a customer database construction and drainage rebate system based on a product sales platform. The system comprises a server, a background end and a third end, wherein the server side and the background side are connected and interact with each other; wherein the third end is connected and interacted with the server end and the background end, the server end is used for consumer-oriented shopping/merchant entry information interaction, the background end is used for providing data storage and large-scale operation for the server end, and the third end is used for merchant-oriented information interaction; and the server is configured and at least used for rebating to the drainage merchant according to a fixed quota or percentage after the customer source of the drainage merchant is consumed by the drainage merchant. Product sales and drainage rebate of merchants are realized, consumption flow is obtained quickly, efficiency is high, and most consumption flow ishigh in quality of consum