Anti fog lamps points after the front fog lamp and fog lamps, front fog lamp is bright yellow commonly, after the fog lamps are in red. After the sign of fog lamps and front fog lamp is a little difference, the lights of the front fog lamp sign line is down, after the fog lamps are parallel, generally located in the car instrument on the console. Due to the fog lamps high brightness, strong penetrability, not due to the fog diffuse, so proper use can effectively prevent the happening of the accident. In foggy weather, front and rear fog lights are often used together. Anti fog lamps points after the front fog lamp and fog lamps, front fog lamp is bright yellow commonly, after the fog lamps are in red. After the sign of fog lamps and front fog lamp is a little difference, the lights of the front fog lamp sign line is down, after the fog lamps are parallel, generally located in the car instrument on the console. Due to the fog lamps high brightness, strong penetrability, not due to the fog diffuse, so proper use can effectively prevent the happening of the accident. In foggy weather, front and rear fog lights are often used together. Before general motors in addition to high beam, low beam lights, lamps, small lamp, the back of the driving lights, brake lights, in the place of humble and a group of anti fog lamps. Automotive fog lamps after refers to the fog, rain, or dust diffuse low visibility environment, in order to make the vehicle rear other road traffic participants is easy to be found and installed in the vehicle tail, luminous intensity is bigger than tail light red signal. The location of the mounted on the front a bit lower than the headlamps, the road to fog had driving light. Low visibility because of the fog, the driver line of sight is limited. Lighting can increase the running distance, especially the yellow fog lamps light strong penetrating power, it can increase the visibility of the pilot with the surrounding traffic participants, make to vehicles and pedestrians in far found each other. In this paper, by the DANYANG YIKAI AUTO PARTS FACTORY