在互联网普及的今天,博客在外语教学中所发挥出来的作用越来越引起广大教师的关注。本文讲述了博客在英语教学中的作用及应用,使之能更好地激发学生学习英语的兴趣,补充课堂的内容,通过人机师生互动提高教师自身的教学能力,以及学生学习英语的广度和深度等。 In the popularization of the Internet today, the role played by blogs in foreign language teaching is drawing more and more attention from the majority of teachers. This paper describes the role and application of blog in English teaching so that it can better stimulate students’ interest in learning English, supplement the contents of the classroom, enhance teachers’ own teaching ability through interaction with teachers and students, as well as students’ breadth of learning English And depth and so on.