There is no fixed number of graduate students' re-examination difficulty in Shenyang Agricultural University. According to relevant public information, the difficulty of re-examination for graduate students in Shenyang Agricultural University depends on the popularity of the major. Some majors are very popular and have a large number of applicants. Tutors will naturally be more strict when they re-examine, and the re-examination will be more difficult. However, some relatively unpopular majors in the postgraduate entrance examination of Shenyang Agricultural University have fewer applicants and less difficulty.