It will be kept by all colleges, and no one can keep it for himself. Without the approval of the main person in charge, it is not allowed to communicate and transmit to the outside world without authorization. Taking xihua university as an example, the intellectual property of students' graduation design (thesis) belongs to the school and is kept by all colleges. No one may keep it for himself, and no one may communicate or transfer it without the approval of the principal in charge. In view of the variety of graduation design (thesis), it can be classified and managed. Graduation design, the content of which is closely related to scientific research topics, shall be managed, preserved and handed over by the college in accordance with the regulations on the management of scientific research archives. The research group can keep one copy by itself, and students and other units are not allowed to keep it. Any content involving technical secrets shall be managed, preserved and handed over by the college, and the instructor may keep a copy for himself. Excellent graduation design (thesis) materials are kept in the school archives, and other students' graduation designs (papers) are kept by the college.