It refers to a trade mode of international service import and export. The process in which one party provides services for the other party and obtains income is called service output or service output, and the party who buys other people's services is called service input or service input. In a narrow sense, international trade refers to the traditional intangible trade such as transportation, insurance, finance and tourism, which serves the international trade in goods. The broad concept also includes new trade activities developed in modern times, in addition to services related to trade in goods, such as contracting labor services, satellite transmission and dissemination.

Function refers to the process by which a service provider provides services to consumers from the territory of a country through commercial places or natural person places and obtains foreign exchange income.

Content international transportation; International tourism; Multinational banks, international finance companies and other financial services;

2. International technology trade:

It refers to an international trade behavior in which enterprises, economic organizations or individuals from different countries sell or buy the right to use software technology under general commercial conditions. It includes technology export and technology introduction. In short, international technology trade is an international business activity with the right to use pure technology as the main transaction object.

International technology trade refers to an international trade behavior in which enterprises, economic organizations or individuals from different countries sell or buy the right to use software technology under general commercial conditions. It includes technology export and technology introduction. In short, international technology trade is an international business activity with the right to use pure technology as the main transaction object. The main contents of international technology trade are: various industrial property rights, such as patents and trademarks; Various proprietary technologies or know-how; Provide engineering design, plant equipment installation, operation and use; Trade in machinery, equipment and raw materials related to technology transfer. In short, technology trade includes the sale of technical knowledge and the sale of goods such as machinery and equipment closely related to technology transfer.