Miss Bing Xu. Zhang Yu, male, Ph.D., is a graduate math teacher in Qi Hang Graduate School. He is the author of "Advanced Mathematics for Graduate Students 18 Lecture" and "Classic Questions on the Origin of Graduate Mathematics 1000". Zhang Yu's "20 16 Zhang Yu's Lecture on Advanced Mathematics 18" was edited by Bing Xu, the head of the original proposition group and the head of graduate mathematics. Based on the examination syllabus, real questions over the years and mainstream textbooks, this paper interprets all the test sites of advanced mathematics, with excellent examples and detailed explanations, which effectively improves the level of mathematics.