A multi-display system comprising: a multi-display , a distributor , and an image source unit ; wherein the multi-display has a plurality of displays each including a sensor for sensing a user input pattern; and the distributor includes a position detector , an arrangement calculator , a timing controller , and an image processor ; wherein the position detector is configured to sequentially output extended display identification data (EDID) and time-position information together with display identification information of each of the displays based on user input pattern sensing information and display information input from each of the displays, and to synchronize the user input pattern sensing information and the EDID with time information input from the timing controller ; the arrangement calculator is configured to store the display identification information and the EDID and time-position information of each of the displays, and calculate arrangement positions of the displays based on the display identification information and the EDID and time-position information, wherein the timing controller is configured to control the operation timing of the position detector and the arrangement calculator such that the arrangement calculator is interlocked with the time information generated by the timing controller to recognize the display identification information and the arrangement order of the displays based on touch /light receiving order according to time; the image processor is configured to divide and distribute an original image received from the image source unit in accordance with the arrangement positions of the displays, and the arrangement calculator is configured to calculate positions of boundaries of the displays based on the display identification information and the EDID and time-position information. a multi-display , a distributor , and an image source unit ; wherein the multi-display has a plurality of displays each including a sensor for sensing a user input pattern; and the distributor includes a position detector , an arrangement calculator , a timing controller , and an image processor ; wherein the position detector is configured to sequentially output extended display identification data (EDID) and time-position information together with display identification information of each of the displays based on user input pattern sensing information and display information input from each of the displays, and to synchronize the user input pattern sensing information and the EDID with time information input from the timing controller ; the arrangement calculator is configured to store the display identification information and the EDID and time-position information of each of the displays, and calculate arrangement positions of the displays based on the display identification information and the EDID and time-position information, wherein the timing controller is configured to control the operation timing of the position detector and the arrangement calculator such that the arrangement calculator is interlocked with the time information generated by the timing controller to recognize the display identification information and the arrangement order of the displays based on touch /light receiving order according to time; the image processor is configured to divide and distribute an original image received from the image source unit in accordance with the arrangement positions of the displays, and the arrangement calculator is configured to calculate positions of boundaries of the displays based on the display identification information and the EDID and time-position information. <EOS>