With the development of information technology, the hybrid education mode of the combination of offline education and online teaching platform has been accepted by the teachers and students of colleges and universities. To complete the teaching goal and improve the teaching effect, this paper takes Chaoxing network platform as the carrier to practice the blended teaching of Complex Function and Integral Transformation. Finally, we have summarized the advantages of blended teaching and analyzed the teaching effect, hoping to provide experience for blended teaching reform.