The final sprint of the postgraduate entrance examination mathematics exceeded 135, and it was a companion piece of the postgraduate entrance examination mathematics review book, and there were 400 classic questions of the postgraduate entrance examination mathematics full-reality simulation. The pre-published mathematics review book for postgraduate entrance examination is the first stage review book for candidates, mainly to enable candidates to master the basic concepts, theorems, formulas and methods required by the examination syllabus comprehensively and systematically. "400 classic questions of fully simulated mathematics for postgraduate entrance examination" is a training book for the second-stage candidates, mainly to let the candidates improve their mathematics level better, check the review effect of the basic concepts, formulas, theorems and algorithms of mathematics in the first stage, check and fill in the gaps, and accumulate on-the-spot experience. The purpose and mission of this book, the final sprint of the postgraduate entrance examination for mathematics exceeds 135, which is also the value of this book.