Fair. When Peking University takes the postgraduate entrance examination for a second interview, there will be strict rules for the second interview. Unfair things are prohibited, and the whole process is strictly controlled. The re-examination of Peking University is an important part of the postgraduate entrance examination, which is used to examine the candidates' ideological and moral character, innovative ability, professional quality and comprehensive quality. It is a necessary part of postgraduate admission. Those who did not participate in the second interview or failed the second interview will not be admitted.