大学英语课堂上的师生互动是英语学习一项重要策略。本文阐述了师生课堂互动的三个理论依据及课堂互动的有效方法,并指出了教师在课堂互动中的引导和指导对学生课堂互动的积极性和效果有一定的相关性影响。 Teacher-student interaction in college English classes is an important strategy for English learning. This article elaborates the three theoretical basis of teacher-student classroom interaction and the effective method of classroom interaction. It also points out that the guidance and guidance of teachers in classroom interaction has certain related influence on the enthusiasm and effect of students’ classroom interaction.