Abstract: In order to systematically study the function of the college entrance examination questions, this paper sums up the eight functions of the examination questions of the college entrance examination:the function of evaluation and selection, the function of scientific research subject selection, the demonstration function of the proposition, the function of knowledge extension, the function of thinking training, the permeation of mathematical thought, the guiding function of the teaching, the permeation of moral education, and the functions are explained in combination with the examination questions in the college entrance examination.