There are some disadvantages in the simple, unscientific and unreasonable teaching evaluation. Resulting in the evaluation of the teaching data is not reliable, objective, cannot be true, fair and impartial reflection of the teacher’s teaching level. If the results of this assessment are linked to the teacher’s all kinds of interests, It is easy to cause serious negative effects to the teacher’s enthusiasm and to disturb the teaching atmosphere and influence the teaching quality. How to make the evaluation of science, objective, fair and impartial reflection of the teacher’s teaching level, to make it more effective to improve the quality of teaching is very important. Some suggestions are put forward in this paper.