The representative of the celebrity of knowledge network is Zhang Xuefeng, a famous postgraduate entrance examination teacher, a math teacher from Qiqihar.

Teacher Zhang Xuefeng came to a lecture attended by 100 people. There may be 70 people preparing for the postgraduate entrance examination and 30 people not taking the postgraduate entrance examination. What he wants to do is not only to keep the students who are preparing for the postgraduate entrance examination, but also to make those 30 people who are not preparing for the postgraduate entrance examination feel interesting and willing to listen here. Until 20 10, Zhang Xuefeng began to grasp what students were interested in, and the classroom response became better and better.

As a post-80s student from Qiqihar, Heilongjiang, Zhang Xuefeng has had four years of undergraduate experience in Zhengzhou University. It is accidental to embark on the road of postgraduate counseling and regard it as a job. Zhang Xuefeng said that when he graduated from college, he saw that all the students around him were actively preparing for the postgraduate entrance examination, so he took the initiative to help everyone check the information. Later, a good friend specialized in postgraduate counseling and acting as an agent for enrollment, so he went to help.

In 2008, Zhang Xuefeng officially stepped onto the podium. Although his style is similar to his present style, the audience's reaction is quite different. There have even been many times when students pointed to him and said, "What you said, teacher, is useless to us and doesn't make any sense." After being hit hard, he walked off the platform, pondered the contents of preparing lessons, and personally collected the contents of more than 400 universities across the country, which was a success on 20 10.