In an electronic document of drawing descriptions of a page image and a character, it is desired that although a font data necessary for drawing the character is held in the electronic document, the size of the electronic document is minimized. Furthermore, it is desired to ensure visibility at the time of highlighting of search. There is generated an electronic document in which a document image, a plurality of character codes obtained by executing a character recognition processing with respect to the document image, and a plurality of kinds of glyph data to be utilized in common with respect to the plurality of character codes when drawing characters corresponding to the plurality of character codes are stored. The plurality of kinds of glyph data are selectively used when characters corresponding to the character codes are drawn. It is desirable that the glyph data be the one in a simple form.