Abstract: The design of teaching activities, the implementation of teaching and the evaluation of academic performance of the mixed teaching mode of digital image processing is discussed in this paper.The teaching practice shows that the mixed teaching mode of online and offline digital image processing innovates the teaching mode, strengthens the communication between teachers and students, highlights the centrality of students and the guiding role of teachers， and can teach students in accordance with their aptitude.It can not only improve students’ self-learning ability, but also improve the quality and efficiency of teaching, and overcome the impact of reducing teaching hours, and play a better leading role in the double “first-class” construction.

Key words: digital image processing, MOOC, hybrid teaching