Disclosed herein is an apparatus for removing a reflected light from an imaging device image, including a processor on a controller configured to output at a predetermined interval to a windshield or an imaging device lens, a control signal for controlling an on or off operation of at least one filter; obtain an image photographed by the camera, wherein the camera is installed in a direction toward the windshield of the vehicle, generate a differential image by subtracting a reflected image photographed when the filter is turned on from a general image photographed when the filter is turned off, and obtain a final image by correcting an area corresponding to the reflected image of the differential image based on a blurred image of the differential image.