Under the guidance of narrative design, this paper aims to explore the design elements and design strategies of the digital platform of ancient books, narrow the distance between ancient books and the public, establish sustainable cultural information communication channels, and make the ancient books easier to understand. Through the in-depth analysis of the concept of narrative design, combined with literature, case analysis and other research methods, this paper summarizes the narrative design thinking, narrative design elements and specific narrative design means of ancient books digital platform. Finally, the Kano model is used to verify and prioritize the demand importance of the design points. In order to adapt to the trend of the development of the times and as an important medium to explore, inherit, and carry forward traditional culture, the humanistic dimension of digital platform of ancient books needs to be improved with design thinking. Based on the commonness of narrative design theory and digital platform of ancient books, this paper puts forward four design elements:narrative theme, narrative structure, narrative scene and narrative presentation form. And in this framework, it extends the specific narrative design method. In general, this paper widens the application field of narrative design and contributes to the living inheritance of ancient book culture.