本文简要介绍ESP课程在教学中的定位,分析ESP分类学科的特定性,并对专业术语和专业文体的专业化程度进行测定研究,ESP以其为特征因而区别于通用英语。ESP课程具体内容的制定在于对目的语真实使用情况的分析,ESP的课程设计原则及其内容和语言任务的编排应围绕所涉及的专业学科知识而不是语言知识本身。最后本文提出在项目化任务型教学法的实施中更应考虑对任务的实施完成程度,以接近真实语言使用情境中的语言行为。 This article briefly introduces the orientation of ESP courses in teaching, analyzes the particularity of ESP classification subject, and studies the professional degree of professional terminology and professional style. ESP distinguishes it from General English. The specific content of ESP curriculum is based on the analysis of the real use of the target language, ESP curriculum design principles and content and language tasks should be organized around the subject of knowledge rather than the language knowledge itself. Finally, this paper puts forward that in the implementation of the project-based task-based pedagogy, the degree of completion of the task should be considered in order to approach linguistic behavior in the real language use context.