ABSTRACT:Since China joined WTO, economic and trade cooperation between China and other countries have become increasingly frequent. China plays a more and more important role in the world trade circles. Business English correspondence is an important carrier of international business activities. It is also an important tool and behavior basis between two parties when sharing information in business activities. The good relationship between two parties and successful result of the deals largely depend on business correspondence. As a result, more and more people are aware of that the analysis and study of writing characteristics and writing principles of business correspondence will be beneficial to improve the quality of the exchanges of two parties and their success rate. This thesis aims to analysis business English correspondence from the perspective of stylistics and research on the features of business English correspondence. It also puts forward some principles and related skills of business correspondence writing according to the stylistic features.

　　　This paper is typically divided into five parts. Chapter one is introduction, including the background of this research, data collection and layout of the thesis. Chapter two is literature review, and it is a brief introduction of business English correspondence and the theoretical foundation of this thesis. Chapter three analyzes the business English correspondence characteristics in lexical, syntax and text level. Chapter four introduces four basic principles and writing skills of business English correspondence writing in vocabulary, syntax and text level according to the results in the third chapter. And in the final part, a conclusion of the whole paper is made. 

Key words: Stylistics  Business English Correspondence Writing

摘要:自从加入WTO，许多国家的经贸交流与合作日益频繁。中国在世界贸易界的地位也越来越重要。商务英语信函是国际商务活动的重要载体，也是贸易活动中买卖双方互通信息的重要手段和行为依据。贸易双方的交流互动与贸易是否成功，很大程度上取决于商务信函，因此，也有越来越多的人意识到对商务信函的写作特征和写作原则的分析研究将会有利于提高贸易双方交流质量和贸易成功率。本论文从文体学的角度分析商务英语信函，针对商务英语信函的写作特征进行了研究，并根据商务英语信函的文体特征提出了写作原则及相关技巧。

　　　本文一共分为五章。

　　　第一章是引言，分为研究背景,数据采集和论文布局。第二章是研究的文献综述，包括商务英语信函和文体学的相关理论的研究介绍，这是全文的理论基础。第三章是从文体学角度对商务英语信函进行词汇句法篇章三个层次的分析。第四章是基于第三章的分析结果提出了商务英语信函写作的四个基本原则和相关写作技巧。第五章是对全文的总结。

关键词：文体学  商务英语信函  写作