Teacher Zhu Yishuai, as the leader of Hunan mathematics teaching and research in Du Wen's postgraduate entrance examination, the instructor of college students' mathematics competition, and the "full mark winner" of postgraduate entrance examination mathematics, was praised as "full mark coach" by students, advocating that there are no students who can't learn mathematics well, only teachers who can't teach mathematics well. Over the years, students with high scores have emerged one after another.

Postgraduate entrance examination mathematics, postgraduate entrance examination subjects, according to the different requirements of various disciplines and majors on the mathematical knowledge and ability that postgraduate entrance examination should possess, there are three kinds of postgraduate entrance examination mathematics papers, and the types of papers used by different majors have specific provisions.