An image inspection device detecting a surface state of an object, characterized in that, the image inspection device comprising: a photographing part having an optical axis for photographing the object; a light transmissive illumination part arranged between the object and the photographing part and having a light emitting surface arranged to face the object, wherein the illumination part is configured to emit a part of an illumination light; and an optical member arranged on the light emitting surface of the illumination part and transmitting light emitted by the illumination part toward the object; wherein the illumination part comprises a light guide plate; a plurality of light emitting parts arranged around the light guiding plate for emitting the illumination light into the light guiding plate; and a plurality of reflectors placed inside the light guiding plate, with a shape and a position designed to reflect the illumination light from the light emitting parts towards an inspection position such that the part of the illumination light is transmitted through the central region, and wherein the optical member comprises a plurality of optical regions (24a to 24h) arranged so as to surround a central region of the light emitting surface centered on the optical axis of the photographing part and configured to emit light having mutually different color characteristics toward the object, the object is located within the central region as seen from the side of the photographing part, the part of the illumination light is transmitted through the central region and towards the inspection position and is irradiated on the object in the direction of the optical axis, the object is irradiated with the part of the illumination light emitted from the central region, and the object is irradiated with other parts of the illumination light emitted from the plurality of optical regions (24a to 24h), wherein the part of the illumination light emitted from the central region has color characteristic different from the color characteristics of the other parts of the illumination light emitted from the plurality of optical regions (24a to 24h). a photographing part having an optical axis for photographing the object; a light transmissive illumination part arranged between the object and the photographing part and having a light emitting surface arranged to face the object, wherein the illumination part is configured to emit a part of an illumination light; and an optical member arranged on the light emitting surface of the illumination part and transmitting light emitted by the illumination part toward the object; wherein the illumination part comprises a light guide plate; a plurality of light emitting parts arranged around the light guiding plate for emitting the illumination light into the light guiding plate; and a plurality of reflectors placed inside the light guiding plate, with a shape and a position designed to reflect the illumination light from the light emitting parts towards an inspection position such that the part of the illumination light is transmitted through the central region, and wherein the optical member comprises a plurality of optical regions (24a to 24h) arranged so as to surround a central region of the light emitting surface centered on the optical axis of the photographing part and configured to emit light having mutually different color characteristics toward the object, the object is located within the central region as seen from the side of the photographing part, the part of the illumination light is transmitted through the central region and towards the inspection position and is irradiated on the object in the direction of the optical axis, the object is irradiated with the part of the illumination light emitted from the central region, and the object is irradiated with other parts of the illumination light emitted from the plurality of optical regions (24a to 24h), wherein the part of the illumination light emitted from the central region has color characteristic different from the color characteristics of the other parts of the illumination light emitted from the plurality of optical regions (24a to 24h).