This paper explores the advantages of business English translators in the following fields through the study of literature research and interdisciplinary research by studying the examples of cooperation projects between China and other countries under the Belt and Road policy: (1) foreign trade, (2) education and (3)tourist guide. Through questionnaire survey, the teaching mode of business English should be reformed in the following fields: (1) focus on the culture, (2) reform teaching content and methods and (3) combination of current affairs. This paper looks forward to helping business English students to understand better about the business English translation learning and to improve their learning methods and choices. At the same time, the most important is that to promote the prosperity of the development of the Belt and Road.