The present specification discloses a method for displaying an AR navigation screen, and an AR navigation system. The method for displaying an AR navigation screen according to the present specification may comprise the steps of: overlapping and displaying images of the surroundings of a vehicle and a plurality of AR images corresponding to the images of the surroundings; generating a window for separately displaying a first area including AR images overlapping at least one of the plurality of AR images; and overlapping and displaying the window and the images of the surroundings. The invention of the present specification has the effect of improving user convenience and promoting safe vehicle operation by using a window when AR images and the like are difficult to recognize due to being overlapped.