外贸英语是一门专业英语,有着自身的语言特色。本文从外贸英语中的礼貌原则对其语言特色进行了认真分析,对外贸英语学习和外贸公文写作具有一定的借鉴意义。 Foreign Trade English is a professional English, with its own language features. This essay carefully analyzes the language features from the principle of politeness in foreign trade English, which is of some reference to foreign trade English learning and foreign trade document writing.