At present, developing the core literacy of Chinese students is the main direction of cultivating students. Therefore, it is an essential step to improve the core literacy of teachers. In terms of learning content, the graduate students in mathematics education need to penetrate core literacy in learning mathematics theory and teaching skill and expand the knowledge in the field of other disciplines. The combination of theory and practice can be realized via trial lecture, practice teaching, and other various forms. The graduate students in mathematics education must promote own core literacy, thus us can be competent to develop the core literacy of students in the future work.