The value of primary English teacher’s expectation is huge and implicit,but it mainly discusses its value from three dimensions of motivation,attitude,and self-confidence in teaching,and makes use of the three functions of motivation,adjustment,and transformation of teacher’s expectation,which can effectively inspire primary English teachers to establish feasible teacher’s expectation in interaction,use teacher’s expectation consciously in teaching,regulate positive teacher’s expectation in feedback,and promote students’all-round development.