In 2023, the second generation of postgraduate mathematics accounted for 22%, with a score of 34 points. The second review skills of mathematics for postgraduate entrance examination include the first stage: lay a solid foundation and be familiar with the textbook Advanced Mathematics, Tongji 7th Edition, Linear Algebra, Tongji 6th Edition, Probability Theory and Mathematical Statistics, Zhejiang University 4th Edition; The second stage: the main goal of the first round of review: review the whole book stage; The third stage: the main goal of the first round of real questions: to end the review of the whole book.