International Trade, also known as trade, refers to the trade of goods and services across borders, generally consisting of import trade and export trade, so it can also be called import and export trade. International trade is also called world trade. Import and export trade can regulate the utilization rate of domestic production factors, improve the international supply and demand relationship, adjust the economic structure, and increase fiscal revenue.

International trade major belongs to the field of economics, mainly based on economic theory, including microeconomics, macroeconomics, international economics, econometrics, introduction to world economics, political economy, etc.