A camera abnormality detecting device according to an embodiment includes an acquiring section and a notifying section. The acquiring section acquires, from an image photographed by a camera provided in a conveyance body to be capable of photographing an inside of a basket placed on a basket receiving section of the conveyance body, an image of a region where an upper edge of the basket is surmised to be reflected. The notifying section notifies, based on the image acquired by the acquiring section, whether an angle of view of the camera is blocked.