the concept of "cultural capital" put forward by Bourdieu regards family education as the main factor that influences the performance of children's education as well as economic investment. Paying attention to core literacy education is not only the task of educational institutions. It is also an important mission of family education. From the perspective of family cultural education capital, through the interpretation of the theory of family cultural capital and the connotation of core literacy, we can sort out the elements of family cultural capital that affect children's core literacy. Furthermore, suggestions are put forward to give full play to the government's guiding role in education and culture, to strengthen the construction of school culture and education, and to optimize the family cultural environment, so as to promote the access of family cultural capital in the promotion of children's core literacy.