The present invention provides a document processing device including: an inputting unit that inputs page image data corresponding to images of pages of a document; an extracting unit that analyzes the page image data input by the inputting unit, specifies the content of each item contained in the document corresponding to that page image data, and extracts item data, the item data being character strings expressing that content; a generating unit that links the item data extracted by the extracting unit and generates name data, the name data being a character string expressing a name to be attached to the document; and a writing unit that associates the name data generated by the generating unit with the page image data input by the inputting unit and writes the name data and the page image data to a memory.