交际法教学是一种顺应时代的外语教学。教师的角色从传统教学的垄断者变为学生学习的促进者，即从“教师中心”向“学生中心”转变。本文在肯定交际法教学的同时着重阐述教师角色的具体转换。 Communicative Approach Teaching is a Foreign Language Teaching that Adapts to the Times. The teacher’s role changes from the monopoly of traditional teaching to the promotion of student learning, that is, from “teacher center” to “student center”. This article affirms the concrete transformation of teachers’ roles while affirming communicative teaching.