Book design is carried out and elaborated within a space of compact size and limited storage amount. It is not easy to accomplish a novel attractive book design, as innovation is required and connotation of books should be embodied. Especially when faced with the impact from electronic media, we have difficulty designing a book with a strong material sense and rich space and time association if we continue to design a book using single thought for publishment without the sense updating. Conceptual book design, based on the traditional books, is an attempt to seek a new morphological book form which fully incarnates the personality and connotation of a book and seeks to display the possibilities of the book contents. This paper mainly explores the morphosemantic meaning in conceptual book design and expounds features and expressions of morph morphosemantic of conceptual books, in order to contribute to the development of book design.