Classroom discourse can affect students’classroom involvement and enthusiasm.Classroom discourse,one of the basic contents of classroom teaching in colleges and universities,is divided into student discourse system,teacher discourse system,and student-teacher discourse system.Strengthening all three can bring something unexpected to classroom teaching.Based on this,this article focuses on three things:the role of classroom discourse in classroom teaching,the impact of classroom discourse on student classroom involvement,and how to have no impact on the improvement of classroom teaching quality.