近几年三次函数问题已经成为高考命题的热点,考查着眼点是三次函数的最值、图像、性质等问题,可根据导数的性质和意义性质,转化二次函数问题,通过解不等式、求最值等方法求解．本文简要分析高考三次函数问题命题的四个结合点． In recent years, the cubic function problem has become a hot topic in the college entrance examination test, examining the point of view is the third value of the function, the image, the nature of the problem, according to the nature of the derivative and the nature of the meaning, conversion quadratic function problems, by solving inequalities, seeking the most Value and other methods to solve. This article briefly analyzes the four combinations of the proposition of the third-order function of college entrance examination.