The graduation design of engineering colleges is an important link to complete the teaching plan and realize the undergraduate training goal. It is important to cultivate students' comprehensive analysis and problem-solving ability, independent work ability, organizational management and social skills through in-depth practice, understanding of society, completing graduation design tasks or writing papers. At the same time, it will have a great influence on students' ideological and moral character, work attitude and style. It is of great significance to enhance the sense of professionalism and responsibility and improve the comprehensive quality of graduates. It is the stage of after-school study and comprehensive training for students at school; It is an important process to deepen, broaden and comprehensively apply the knowledge learned; It is a comprehensive summary of students' learning, research and practice achievements; It is a comprehensive test of the training effect of students' comprehensive quality and engineering practice ability; It is a transitional link to realize students' study from school to post work; It is an important basis for students to graduate and obtain degree qualifications; It is an important evaluation content to measure the quality of higher education and the benefit of running a school.