The object of the present invention is to provide a document processing apparatus capable of extracting written-in notes on a paper document and printing a document only of written-in notes or a document with a part of written-in notes by a writer left behind, and setting a limit on printing on each written-in note. The above object is achieved by apparatus for processing a document by providing a paper document to print with information for identifying an electronic document as the origin of printing, comprising: written-in notes extracting means for extracting a difference (written-in notes) between the paper document and an electronic document and storing written-notes as image information; text conversion means for converting extracted written-in notes into text as character information, and storing the text; and means for generating a print document by laying out image information of written-in notes and written-in information in text form.