Low level. The full mark of the postgraduate entrance examination mathematics is 150, the national line is 670, and the postgraduate entrance examination mathematics is 50, which belongs to the low level. The national unified entrance examination for graduate students, referred to as "postgraduate entrance examination" and "unified examination", refers to the general name of relevant examinations organized by the education authorities and enrollment institutions for the selection of graduate students, and consists of the initial examination and re-examination organized by the national examination authorities and enrollment units.