A dual-screen electronic reading apparatus includes a memory storing files, a non-volatile display unit, a volatile display unit, and a microprocessor. The microprocessor includes a file determining module configured for determining whether text and at least one image exist in one opened file, and for generating a text file and an image file if both text and at least one image exist in the opened file. The microprocessor also includes a display controlling module configured for displaying the text file on the non-volatile display unit and displaying the image file on the volatile display unit.