Cultural symbols mainly refer to the patterns,colors and elements that reflect the history,culture and beliefs of various ethnic groups.Their use in book binding not only helps to inherit and carry forward national culture,but also enhances readers'sense of identity to culture.From the perspective of cultural inheritance and enhancing the sense of identity,this paper will discuss the significance of cultural symbols in book binding in detail,and reveal the application of cultural symbols in practice by analyzing the regional characteristic patterns,the integration of historical elements and the application of traditional colors.At the same time,it will also point out the main problems facing the application of cultural symbols in the current book binding,and the corresponding countermeasures are put forward.