Cross-border logistics can be understood as cross-border logistics, that is, shipping individual goods from one country to another through international logistics, and delivering the goods to the end customers through local logistics, so as to complete the entire transaction closed loop of cross-border trade.

Cross-border logistics is a very important part of cross-border e-commerce operations. Cross-border logistics is different from domestic logistics. The difference is mainly reflected in cost, timeliness, and customs clearance. Cross-border logistics is cross-border distribution, which involves customs declaration and clearance in the exporting and importing countries and terminal transportation. The distribution cycle is long, the process is complicated, and the cost is high; domestic logistics is much simpler, belonging to domestic logistics distribution, does not involve customs declaration and clearance, etc., with low cost and fast timeliness.

First-leg logistics refers to the transportation section from domestic goods to FBA overseas warehouses or third-party overseas warehouses. The transportation section from FBA overseas warehouses or third-party overseas warehouses to overseas customers is called second-leg logistics.

First-leg logistics generally has several forms such as international air transport, international shipping, international express and international parcels.