University presidents, according to different levels of colleges and universities, generally include: deputy ministerial level, deputy corps level, bureau level and deputy bureau level.

2. Both Peking University and Tsinghua are universities directly under the Ministry of Education, and they are ministerial units, while the presidents and party secretaries of Peking University and Tsinghua are vice-ministerial units.

3. The administrative level of colleges and universities means that there are corresponding administrative levels according to different colleges and universities in Chinese mainland. The administrative level mentioned below refers to the administrative level of university presidents (party secretary or dean), which is a special phenomenon in Chinese mainland.