Core literacy refers to the combination of knowledge, application skills, values and other aspects in which students sort out and summarize what they have learned in the process of learning and draw lessons from them. It is the most obvious embodiment of individual comprehensive quality and also determines the level of individual comprehensive quality. It can be said that the cultivation of students' core quality is the focus and main task goal of primary school education. However, in the process of teaching practice, the core qualities are reflected differently in each student according to individual differences. In a broad sense, they are reflected in the correct cognition of themselves, the application ability of various social skills and knowledge, and the ability of interpersonal communication and expression. Individually, it is reflected in the establishment of students' moral quality and core values. Therefore, the cultivation of students' core quality requires teachers to formulate scientific and reasonable teaching programs according to students' actual situation and individual differences, and steadily improve students' core quality