Cross-border logistics refers to the physical flow of goods from the supply point to the receiving point in different countries through the cross-border e-commerce platform, including international transportation, packaging and distribution, information processing and other links. The logistics link cannot be realized in a virtual environment. Choosing the best cross-border logistics method and path to achieve the international flow and exchange of goods at the lowest cost and the smallest risk is the guarantee for promoting the development of cross-border e-commerce. At present, the more commonly used cross-border e-commerce logistics methods in the industry mainly include postal logistics, international express delivery, dedicated line logistics and overseas warehousing.

Postal logistics refers to the transportation system that delivers local goods to foreign buyers through the logistics network of China Post. Broadly speaking, postal logistics can be divided into domestic logistics, international logistics, and e-commerce logistics. In this section, postal logistics specifically refers to the logistics system under the background of cross-border e-commerce. According to the current products of China Post, it can be divided into postal parcels. e Express, e Parcel, e Postal, e Speed, the postal logistics system has a particularly wide coverage. Basically, all countries in the world have joined the Universal Postal Union (UPU), and all members of the union have promised to provide basic services and only charge relatively low fees. Among them, the most widely used postal service is China Post Air Mail, also known as China Post Air Mail, Postal Mail, Air Mail, which refers to a small parcel with a weight of less than 2 kilograms, the sum of the length, width and height of the outer packaging is less than 90 centimeters, and the longest side is less than 60 centimeters, which is sent to foreign countries through postal airmail services.