In the traditional classroom teaching of College English, the imparting of knowledge is emphasized, and the teacher-student interaction of feelings is often ignored. In fact, feelings play an important role in the teaching of College English. If a teacher can make full use of feelings, the mode of teacher-student emotional interaction can be loaned in both teaching and teaming. This paper expounds the theory of teacher-student emotional interaction the methods and techniques to improve the teacher-student emotional interaction and the application of teacher-student emotional interaction to the teaching of college English.