The hosting of G20 Leaders' Summit has focused the world's attention on Hangzhou. It is worth noting that cross-border e-commerce has entered into the G20 agenda for the first time.

The so-called cross-border electricity business, refers to the subject of transactions in different countries, through e-commerce means to electronize the display, negotiation and transaction of traditional import and export trade, and through cross-border logistics and off-site storage of goods, completion of transaction make it an international business activity. Reduce the transaction cost is the pursuit of the trade since the birth of this form, and in traditional trade, the information asymmetry to the trade model produced a lot of intermediate links, turned it into the M2B2 ... ... B2C, in this process, transaction costs naturally produced; and cross-border electronic business gradually simplified its intermediate parts through the Internet, cloud computing, intelligent terminals and global logistics, to eliminate communication costs and information asymmetry, directly achieved cross-border B2C, B2C or even C2C, thereby reduced the trade costs