Condition one: legal formalities For doing cross-border e-commerce merchants, the first need to register a company in the country, used to carry out sales business in the country, and need to be filed in the Customs, at present each cross-border pilot cities have their own cross-border e-commerce public **** service platform for merchants to register, for the record, cross-border e-commerce merchants need to register for cross-border e-commerce business for the legal formalities. Condition two, cross-border e-commerce mall Doing cross-border e-commerce business requires cross-border mall, the purpose is to be used for online sales of cross-border goods, customs filing, such as WeChat mall, small program mall, APP mall, etc., support to help cross-border merchants enterprises to establish cross-border mall to help merchants to order, collection, logistics and delivery, member management, marketing operations, data operation, all the functions have everything. For doing cross-mall, if the shipping mode used is involved in bonded stock preparation business, need three single touch, that is, payment order, order, waybill, so in the understanding of cross-border e-commerce system needs to be communicated in advance and the service merchant business process, generally is the payment enterprise to push the payment order, the logistics warehousing to push the waybill, the third-party service platform to push the order. Condition three, commodity filing As cross-border e-commerce sales operation involves foreign goods, brands, these need to be filed in the local inspection and quarantine agencies, the specific filing method, you can register an account in the local state inspection website, fill out the information, etc., only commodities, brands for the record after the report can be carried out after the sale. Condition four, overseas sourcing capacity Strength of enterprises can build their own overseas procurement company, or to the supply chain enterprises to do hair, cross-border supply chain integration capabilities, determining the sales source of cost control, category richness. Condition five, omni-channel sales capacity Cross-border e-commerce business in the country, generally need to go omni-channel retail O2O, including stationed on third-party platforms, self-built platforms, open offline flagship stores, recruiting cooperative stores, etc., constructing a variety of scenarios, so that consumers shopping.