1 The Application of Pragmatic Principles in Business English Correspondence1 A Brief Introduction of the PaperAs technology advances and trade and exchanges between countries increase, it is becoming more and more important to understand both spoken and written English in many situations such as face-to-face, on the telephone, in business meetings, lectures, speeches, television, and so on.There have been a lot of books and studies related to the Business English Correspondence. Some of them start with introducing the importance and influence of Business English Correspondence and the basic types of Business English Correspondence. Some focus on instructing Chinese readers on how to write business correspondence in English by analyzing the language characteristics. Some discuss a lot on Business English Correspondence by presenting the frequently used techniques by general means or providing necessary background information for some frequently seen Business English Correspondence.Although Business English Correspondence is always included in the above-mentioned studies, they dont separate it from other forms of writing. Besides, the standards for business writing have been changing all the time. At present, with the rapid development of economic globalization, people have more chances to contact with the outside world and conduct business universally through Internet, broadcasting and Business English Correspondence as well. The Business English Correspondence, as a particular sort of media, is a complex blend of national, social, economic and linguistic tradition. Thus, varieties of problems often arise when people confront writing Business English Correspondence, especially in a foreign language. Generally speaking, People may have no problem in completely understanding Business English Correspondence; however, in no way can one write out a good piece of Business 2English Correspondence without studying the general knowledge of pragmatic principles. Problems existing now in Business English Correspondence are how to ensure the success of letters and what can make a Business English Correspondence a qualified one. Consequently, the analysis of Business English Correspondence to develop English writing skills is reasonable and practical. For instance, in writing to persuade reader to accept an unfavorable offer, the techniques of persuasion are used. In applying for a job, one can use techniques that emphasize his or her qualifications. And in telling bad news, one can use techniques to work them into your letters.Business style is less descriptive and imaginative than literary style because business world is concerned with practical and immediate situations. The pragmatic principles, which play a vital role in Business English Correspondence, mainly consist of Politeness Principle and Cooperative Principle .By means of appropriate use of them, the pragmatic strategies can be applied effectively to business correspondence discourses to achieve desired efforts.In the first chapter of this thesis, a brief introduction of the paper will be presented. In the second part of the thesis，the author attempts to discuss the main principles of the present Business English Correspondence. In the following chapter theories regarding pragmatic principles will be presented. Chapter Four presents the approaches to apply pragmatic principles to Business English Correspondence by contrasting examples, so that readers can find out the differences easily. Chapter Five mainly discusses the characteristics of desired Business English Correspondence and how to achieve the effects by pragmatic principles from the point view of both language and function. In the concluding chapter, implications of the study are discussed. 3 2 The Main Principles of Writing Business English Correspondence Early English business writers borrowed heavily from the formal language of law and from the flowery language of the nobility. From these two sources they developed a style of letter writing that became known as the “language of business”, which was written in the driest possible manner and in language so stilted and formal that the true personality of the writer was completely hidden. It was a cold, stiff, and unnatural style. Unfortunately, that role as the “language of business” was never abolished, and even now it was generally accepted throughout the English-speaking world. This problem becomes more serious in cross-cultural communications. Admittedly, there is something in the writing principles of business letters as followed.2.1 Courtesy Business protocol is an essential part for businessmen; we then can imagine how important the courtesy is for a business correspondence. However, courtesy not only means politeness, but also refers to thinking about the readers interests. The readers desires, problems, emotions and possible reactions to the request, all of these details need to be taken into consideration. The message and info