Ge Jun, a native of Rudong, Jiangsu Province, 1964+00 was born in June, a native of Rudong, Jiangsu Province, an expert in mathematics education and president high school affiliated to nanjing normal university. Ge Jun 1985 graduated from the School of Mathematical Sciences of Nanjing Normal University, and then stayed as a teacher. He used to be the vice president of the School of Teacher Education of Nanjing Normal University. In 2003, when Ren Nan went to the college entrance examination every year, the news about Ge Jun taking part in the college entrance examination proposition came out. Although it has been proved to be a rumor again and again, it also shows from the side that once students mention Ge Jun, they can't help but want to spit him out. So what kind of existence is Ge Jun? Why does the mention of this person make countless college entrance examination students tremble with fear? Ge Jun, a native of Rudong County, Nantong City, Jiangsu Province, is a professor at Nanjing Normal University, a tutor for master students, a core member of the textbook compilation group of senior high school mathematics (Jiangsu Education Edition) in the new curriculum reform, and a senior coach of China Mathematical Olympics. Ge Jun has participated in the proposition of mathematics test paper in Jiangsu college entrance examination for many times, because "the test paper is difficult" is called "the emperor of mathematics", and the examinees also affectionately call him "Uncle Ge". The following set of data, we will know how "terrible" Teacher Ge Jun is. In 2003, Ge Jun took part in the proposition of Jiangsu College Entrance Examination Mathematics Paper. At that time, the average score of the province was 68 (full mark 150), a record low. 20 10, and the average score of mathematics in the whole province is 85.5 (full mark 160). At the beginning, Ge Jun's "great achievements" were still circulating. Although exaggerated and untrue, it shows the candidate's fear of Ge Jun.