According to one embodiment, a code reading apparatus includes an image capturing section configured to capture an image picked up by an image pickup section; a code reading section configured to detect a code symbol included in the captured image and read code information corresponding to the code symbol; an image comparing section configured to compare, if the code information read this time and code information read before this time and most recently are the same, images related to the reading of the pieces of code information; and an output section configured to output the read code information and, if the images are similar as a result of the comparison of the images, regard the code information read this time as code information read twice and suppress output of the code information.