There is disclosed a digital signage including a display panel, a housing having the display panel arranged in one surface, the housing comprising a closed inner space, a cooling unit provided in a predetermined portion of the housing, the cooling unit comprising a hole configured to suck and exhaust external air, a heat pipe comprising one end positioned in the inner space of the housing to be coupled to a back surface of the display and the other end positioned in the cooling unit, with a liquid flowing therein to move heat, and a driving circuit board coupled to a back surface of the heat pipe to control driving of the display panel, such that the digital signage having a slim design can exhaust the heat generated from a display panel and a driving circuit board effectively.