Since the major of international economics and trade is economics, it is naturally inseparable from the study of mathematics. Calculus, linear algebra, probability theory and mathematical statistics are essential, and the study of econometrics, international economics, statistics and other disciplines must have a relatively solid mathematical foundation. Engaged in international trade, English should be quite good, not only written English, such as foreign trade English correspondence, oral English is also very important.After learning all the above, we should also learn such knowledge as engineering, that is, industry knowledge, as a supplement to professional knowledge, to provide convenience for entering the job in the future. Although all walks of life have their own professional knowl...