The present invention provides a touch switch attachable on a wall. The touch switch, attachable on a wall, comprises: a switch box unit which is inserted into an embedded box formed on a wall; a back cover unit which is inserted inside the switch box unit and has a plurality of PCBs stacked and placed; a fixing plate unit which is coupled to the switch box unit and fixes the back cover unit; and an LCD touch pad unit which is fixed on one end of the back cover unit passing through the fixing plate unit, is electrically connected to the plurality of PCBs, and is for inputting switching operation information to the plurality of PCBs by means of capacitive touch.