Mathematical modeling is one of important means to cultivate the innovative ability of graduates， which has certain guiding role on the relevant policymaking of higher learning institutions. Through questionnaire from the graduates majoring in mathematics in the colleges and universities of Chongqing， by using SPSS software， this paper processes and analyzes the collected original data， takes frequency analysis and descriptive statistical analysis method to have proven that strengthening the mathematical modeling train for graduates has importantly boosting effect on the cultivation of the innovative ability of graduates.