【Abstract】China and the world trade increase frequently， business English is a kind of special language of international business activities， an important tool in foreign economic activities， business English correspondence has become the communication between countries， doing business is a deal， and business activities of the important media to establish friendly relations of cooperation. With the rapid development of information technology， the globalization of information， business affairs English correspondence also gradually developed， business English correspondence is becoming more and more important. In fact， business English is related to the international communication. International communication depends on the business English.
　　【Key words】Correspondence; Information; Transmission; Communication
　　1. Introduction
　　Communication is a process of information transfer and communication between people， including ideas， emotions， views， thinking about the exchange process. To obtain the understanding between each other， trust and good human relations are important. It is also the necessary means of communication between people， every social people are inseparable from the communication. Of course， communication is a science and an art， a good way to communicate information .It can let you get something you want， both sides to enhance understanding， let each sides reach a consensus in the mood.
　　No matter some people in life or work， interpersonal relationships are dealing with very harmoniously. Confirming and listening to the communication can pass different information to achieve different effects and in business English correspondence， information plays a very important role. Information is considered to be one of the three pillars of modern civilization. In modern society， people living in the sea of information， dealing with information， the moment cannot leave a message every day with the arrival economic integration， the information transferable speed， cross cultural management become more and more complicated. In an organization， information communication has its indispensable existence value. The cultural level for a business can achieve success .So， we master the methods of correct information is very necessary.
　　2. The Relationships between English Correspondence and Information
　　2.1 The Concept of English Correspondence
　　English correspondence in daily business is in order to convey the information， it deals with business matters and contact and communication. Whether in international trade or daily working， information is the foundation of sustainable development. The right information is a good way to promote the business English letter exchanges with other correspondence in the communication， cooperation， communication， cooperation. Communication plays a positive effect. We enter this information society， people talk about the information everywhere. People increasingly heard the word cate with letters， telecommunications documents， such as a letter is to communicate each other letters. English business correspondence is used in the commercial business channel with the rapid development of economy and information technology， business English correspondence has become an integral part of foreign trade， as well as the most commonly used modern foreign trade activities is one of the most effective means of communication. It is a kind of industry English what is mainly used in the foreign economic and trade activities and social activities. Therefore， the role of business English correspondence in foreign trade is meaningful for both sides to communicate accurately and concretely. 　　2.2 The Concept of Information
　　Information reflects the objective things， in essence is the social information， the characteristics， phenomenon and essence of nature and law of description. About the description of information and relevant knowledge and some social practices， we can know that information is using for symbols， signals， or the content of the message contained， eliminate the uncertainty of understandings objective things. Because the information is the law of motion and characterization， therefore the existence of the information is common. And because the information has the temperament of knowledge， so it is crucial to human survival and development. Information is widespread in nature， human society and human thinking. The concept of information is the profound summary of the human social practice， and with the development of science and technology and continuous development. Different areas have different understanding to information. There is something new thought the information is stated motion state of things， reflects the objective facts. The economists believe that information is reflect the characteristics of the objects in the form of it is juxtaposed with material and energy of one of the three major elements of the objective world， the information is the important basis for management and decision making.
　　3. English Correspondence and Information A Two-way Street
　　Business English correspondence and information are a wizard. Business English correspondence is applied in all stages very widely. It can help enterprise development to find more customers， finding more business opportunities， helping a deal. And communicate it to trade both parties in the contract transfer business information also bring convenience， greatly improving the work efficiency， to promote the benign development of international trade. Foreign trade staff to master certain business English letter writing format and writing skill， using in international trade practice rationally， good results can be achieved.
　　Business English correspondence is used in every stage of the information widely. It can help enterprise development to find more customers， to find more business opportunities， helping a deal. And communicating it to trade both parties in the contract transfer business information also bring convenience， improving the work efficiency generally， promoting the benign development of international trade. Foreign trade staff to master certain business English letter writing format and writing skill， rationally they use in international trade practice， good results can be achieved 　　4. The Considerations of the Development and Application in Foreign Trade Correspondence Information
　　The development of information technology， multimedia technology and network technology has given rise to now known as the generation of information society， the letter communication in international business activities have no longer dominate， instead is fax， Internet E-mail more quick， convenient， economical means of communication， however， from the point of information content and form， the basic format of business communication， expression and content compared with the previous letters are not too big change. In a sense， fax and E-mail is sent a letter in a special way of delivery and acceptance letter. The rise of e-commerce， making the business more fully in the choice of business model with the degrees of freedom， with the development of e-commerce， vendors can low cost efficiently distribute through the network advertising， quoted price， orders， contracts， payment， etc. Electronic commerce is the most effective business model of a wide range of applications， the quality and efficiency of international trade has substantially increase and improve， we can boldly predicted that in the foreseeable future， electronic， interest rates and international trade network is the inevitable development direction and trend.
　　Under normal circumstances， through the full consultation between the seller and the buyer， the ways and methods of problem solving will soon be found， trade contract can also been fulfilled smoothly. From another perspective， the salesman by maintaining a customer contact， and can understand customer demand for products， but also can deepen feelings， convenient for a more comprehensive and in-depth cooperation in the future， to achieve a win-win trade situation.
　　5. Conclusion
　　Business English correspondence， as an integral part of international trade， it plays the role of the media， and whatever you throughout every step of the international trade and stage. Business English correspondence in international trade plays a positive role in promoting. Its outstanding contribution is to maximize reduce costs， improve the efficiency of management， make the enterprise between consumers and for effective information communication and exchanges， vigorously develop new customers， retain old customers， promote the growth of imports， improve the international trade of globalization， etc. Business English correspondence has the economic function of correspondence， was widely used in international trade. I stand on the economic and trade of conclusion， English is the international language of today， and business English correspondence occupied three trade brought the important position in international trade. In the future society’s changing， business English correspondence will be to achieve leapfrog development of globalization， information technology popularization trade liberalization plays more and more important role. In the international trade and business English correspondence the development space also is very big， believe that through the joint efforts of people around the world， it will get a bigger development.
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