Abstract: It states the important meaning of teaching quality evaluation under big data era,analyzes the present existing problems of China’s college teaching quality evaluation,such as the ignorance of process evaluation,the incomplete evaluation content,the same evaluation result display form,the low enthusiasm of students’participation.It puts forward the important countermeasures of teaching quality evaluation system under big data era,such as the combination of process evaluation and result evaluation,extending the teaching quality evaluation content,enriching the evaluation result display form,improving the student participation enthusiasm and so on.