With the further globalization of China's economy and the continuous development of China's market economy in recent years,the foreign commercial activities of Chinese enterprises become more and more frequent.Subsequently,business correspondence becomes increasingly important because of its unique function in business trade.This paper combines the classical politeness theory of linguistics with the writing of business English letters,and analyzes the ways to realize politeness strategies in business English letters,so that people can better use politeness strategies to optimize the communication effect in international business communication.
