Graduation thesis is a thesis that students are required to write before graduation in order to concentrate on the scientific research and training of students in this major. Graduation thesis is usually arranged in the last academic year and semester, and the topic of the thesis is designated by the teacher or proposed by the students. After selecting a topic, students conduct research, write and submit papers, with the purpose of cultivating students' scientific research ability, strengthening the training of comprehensively applying the knowledge, theory and skills they have learned to solve practical problems, and generally examining the academic level achieved by students in universities.