摘  要

随着全球经济化进程的加快，我国与世界各国之间的商务交流日趋频繁。作为商务交流中企业间用来沟通的主要媒介，商务英语函电起着至关重要的作用，是公司间建立合作关系、开展业务、达成贸易往来的重要手段。众所周知，礼貌用语在我们日常的人际交往中发挥着重要作用，同样在商务交往中礼貌原则的应用也显得尤为重要，商务英语函电中得体、恰当的礼貌用语，可以协助创设良好的商务环境，更好地促进商贸活动的进行。本文拟从利奇的礼貌原则对商务英语信函中所体现出的礼貌现象进行分析总结。本研究有助于人们在商务交往活动中更好地利用礼貌原则来实现自己的意图，得体表达自己的要求和观点，让双方建立融洽的合作关系。

关键词：礼貌原则；礼貌用语；商务英语函电

Abstract
With the development of global economy, the business activities run frequently between China and other countries around the world. As the main form of business communication, business English correspondence plays a vital role in communication between enterprises. Business English correspondence is an important method on establishing the business relations, achieving the business goals. It is well known that politeness and politeness principle plays an important part in our daily communication. The polite expressions in business English correspondence can assist in creating a good business environment to promote business activities and achieve the purpose of people’s needs. The focus of this paper is how to apply Leech’s politeness principle to business English correspondence by using appropriate polite expressions. The research aims to help people have a better understanding on the polite expressions in business English correspondence and use good manners to meet their expectations. It is expected that the findings of this paper can improve the communication competence and establish stable business relations of both counterparts, so as to achieve the expected purpose of the transaction.

Key words: politeness principle; politeness expressions; business English correspondence