本文是从对三个定义即语境、互动和兴趣的理解开始研究互动在外语教学中的作用,从英语学习的三个层次上逐步分析渗透互动的能动作用,从而让英语学习者在英语学习的过程中集腋成裘,水到渠成,游刃有余的学习和使用英语。从事外语教学近十年,在这期间有颇多感慨,人类对于语言的习得本身就是自然而然的过程,外语的学习也不过如此,但是在这几年的教学中却发现大部分学生学习英语只是 This article begins with the understanding of the three definitions of context, interaction, and interest to study the role of interaction in foreign language teaching. From the three levels of English learning, it gradually analyzes the dynamics of infiltration and interaction so that English learners can learn in English. In the process, the students gathered and became accustomed to learning and using English. In the past ten years in foreign language teaching, there was a lot of emotion during this period. The acquisition of language by humans is a natural process. Foreign language learning is just like this. However, in the past few years, it has been found that most students learn English.