AliExpress is a cross-border e-commerce platform that provides global product sales and logistics services. On AliExpress, registration fee refers to one of the express delivery fees during transportation, usually used to mark the tracking number of the mail.

Registration fee generally includes the service fee of the courier company and the registration fee of international mail. The purpose is to ensure that the mail can be tracked and traced during transportation and improve the reliability and safety of express delivery. On the AliExpress platform, sellers usually calculate the shipping and registration fees based on factors such as the weight, volume and destination of the goods, and include them in the total price of the goods.