Technical collation of characters, referred to as "technical collation" or "collation", refers to the work of checking and collating all books and periodicals from the aspects of style and format. Text technical finishing should be related to text inspection, mainly to check whether the page numbers are connected; Whether the title of the book (or the name of the publication), the name of the author, the name of the publishing unit and the publication time are consistent; Whether the titles in the catalogue are consistent with the text and whether the page numbers correspond accurately; Whether the calligraphy meets the design requirements, whether the content is correct and so on.