A lamp system capable of improving ease of use by outputting an image without distortion when one image is divided and output from the left and right lamps, respectively. The lamp system includes a left lamp installed on a left side of a moving object in one direction to output an allocated first image, a right lamp installed on a right side of the moving object in one direction to output an allocated second image, and a control unit receiving original image information from the outside to allocate the first image and the second image to the left lamp and the right lamp, respectively, based on the original image but change and allocate an overlapping area that is an overlapping portion of the first image and the second image.