Difficult. Official website, the Ministry of Education of China, inquired that the overall difficulty of the postgraduate entrance examination in 2022 is higher, which is reflected in the content and difficulty coefficient. The examination covers three subjects: advanced mathematics, linear algebra, probability theory and mathematical statistics, among which advanced mathematics accounts for the largest proportion and is relatively difficult, requiring candidates to have a solid mathematical foundation and strong computing ability. Postgraduate entrance examination refers to the national unified postgraduate entrance examination, which is the general name of the relevant examinations organized by the education authorities and enrollment institutions for the selection of postgraduate students.