Wu Zhongxiang's trilogy is the foundation of engineering mathematics analysis, the teaching material of advanced mathematics, and the review book of postgraduate mathematics. Wu Zhongxiang, graduated from Xi Jiaotong University, is a professor at Xi Jiaotong University, and has been engaged in the research and teaching of advanced mathematics for a long time. Fundamentals of Engineering Mathematics Analysis, Notes on Advanced Mathematics Tutoring, and A Book of Mathematics Review for Postgraduate Entrance Examination are called Wu Zhongxiang Trilogy. Professor Wu Zhongxiang's long-term postgraduate counseling and in-depth and detailed research and analysis of postgraduate examination questions are neat in writing, fluent in handwriting and elegant in style, and have a thorough understanding of students' weaknesses in advanced mathematics, which makes his postgraduate counseling highly targeted, targeted and effective.