Pei's mathematical analysis is enough for the postgraduate entrance examination. Pei's constructive mathematics method is very useful for the postgraduate entrance examination of mathematics, which can improve the mathematical thinking ability and problem-solving ability. Pei has also made outstanding contributions in the field of mathematics education. His teaching methods and ideas such as "primary school mathematics teaching method" and "middle school mathematics teaching method" are also applicable to the study of postgraduate mathematics. Candidates can combine other learning methods and skills, such as doing problems, reading books and listening to explanations. , comprehensively improve their math ability and postgraduate entrance examination results. Pei Liwen's mathematical analysis, also known as "advanced mathematical analysis", is a very important mathematical subject. It is a mathematical method to study the elements and laws of quantity, structure, space and change, and it is also an important means for people to explore the laws of the universe.