Investigations have proved that students positive perception of the class atmosphere may accordingly manifest it in the improvement of their curricular performance and in the promotion of their attitudes toward the course study.

In college English teaching, group work can create a relaxed and positive class atmosphere, which can help students to say and speak English.

Grasping students′ characteristics and creating a student-centered classroom atmosphere;

To build a favorable classroom atmosphere helps to smooth the communication between teachers and students,motivate students’ interest and strengthen their thinking,so as to achieve better teaching results.

Teachers should manage to improve their ability control the classroom teaching and create the good classroom atmosphere so as to strengthen the teaching effect of mixed class and realize the final goal of this course.

This paper expounds that the library should pay attention to cultivate the librarians’ identification in establishing the harmonious atmosphere, and advances some methods for promoting the librarians’ identification.

Affective teaching and harmonious class are unified.

Thus,the teacher factor is of vital importance to establish the student-oriented college harmonious class.