The purpose of the paper is to sort out the development and evolution of book design concept under the background of omnimedia era, summarize the development status of book design concept, summarize the popular trend of book design, and enrich the method of book design. Through comparative research and case analysis on the development and evolution of the content and form of books, the relationship between books and readers, and the way of book reading experience, the important evolution and development of book design concepts in the context of the omnimedia era are summarized. The content, form, function, function and reading way of book design have all changed significantly in the background of omnimedia era. In the way of information and communication technology depth development under the background of the media, there are many new design concepts in book design, such as information user experience design, visual design, interactive multimedia technology, digital design and so on. Artistic expression of these new books design concept broadens the ways and means of current books design.