In order to improve the quality of undergraduate education in engineering, combined with the cultivation of innovation ability and graduation design courses, from the graduation design topic, strengthening the ability of engineering practice, the teaching organization, process management, quality evaluation system of graduated design and other aspects of the teaching, reform of the graduation design and graduation design teaching system is constructed based on the cultivation of innovation ability. The teaching practice proves that the system can improve the teaching quality of graduation design and the innovation ability of students, and provides a new idea for the cultivation of high-quality talents.