Special master. Postgraduate entrance examination for primary education is the main content of study and research for graduate students of primary education, which belongs to the category of postgraduate entrance examination. The national unified entrance examination for graduate students, referred to as "postgraduate entrance examination" or "unified examination", refers to the general name of relevant examinations organized by education authorities and enrollment institutions for the selection of graduate students. It is a selective examination, and the type of academic qualifications admitted is general higher education.