Ancient books refer to books not printed by modern printing technology. In ancient times, books were called classics, also called documents, which had the triple meaning of documents, archives and books. With the progress of time, the chronicle documents are arranged for people to read, and the purpose of disseminating knowledge and experience is achieved. A book has been formed. The content of the book is increasing, the carrier tends to be diversified, and the production technology is constantly improved. In order to facilitate reading, different binding styles such as "brief book", "scroll", "album", "thread bound book" have been produced.