In view of the deficiency of the traditional education mode of passive acceptance of students in college classrooms, this paper introduces OBE teaching concept and PBL teaching method. On the basis of understanding the current and future professional development needs, the teaching design is conducive to the cultivation of students' ability. Through the determination of training goals, the teaching goals is set and the PBL discussion based on practical engineering problems is introduced. The new teaching method can not only cover the teaching knowledge points, but also mobilize the enthusiasm and creativity of students, which is conducive to the cultivation of students' cooperative ability and innovation ability, and achieve better teaching results.