Cross-border e-commerce refers to commercial activities that trade goods across borders through the Internet platform. It uses Internet technology and e-commerce platforms to sell goods from one country or region to another. Currently in the field of cross-border e-commerce, world-renowned companies include Alibaba, Amazon, eBay, JD.com, Pinduoduo, etc. In addition, there are some companies that focus on the field of cross-border e-commerce, such as AliExpress, Wish, Zulily, etc. These companies have pushed cross-border e-commerce to a new level by building a global supply chain, logistics system and payment system.