A touch display device, comprising: a plurality of light-emitting elements disposed in an active area of a display panel; an encapsulation layer (ENCAP) disposed on the plurality of light-emitting elements; a plurality of touch electrodes disposed on the encapsulation layer (ENCAP); a plurality of touch routing lines electrically connected to at least one of the plurality of touch electrodes; and a plurality of auxiliary routing patterns disposed in the active area, positioned between the encapsulation layer (ENCAP) and the plurality of touch routing lines, and respectively electrically connected to at least one of the touch routing lines in the active area, wherein the active area includes a first sub-area and a second sub-area, and wherein a touch routing line that is electrically connected to a touch electrode disposed in the first sub-area and an auxiliary routing pattern overlapped by said touch routing line are disposed on the second sub-area, characterized in that the touch display device further comprises: at least one dummy electrode disposed in an area of the first sub-area and configured to correspond to an area where the touch routing line is disposed on the second sub-area such that the touch routing line is disposed between two parts of a second touch electrode line (Y-TEL-2) disposed on the second sub-area and the dummy electrode is disposed between two parts of a first touch electrode line (Y-TEL-1) disposed on the first sub-area; and at least one dummy pattern positioned on a same layer as the auxiliary routing pattern and being overlapped with the at least one dummy electrode, wherein the at least one dummy pattern is insulated from the at least one dummy electrode, wherein the at least one dummy electrode is electrically separated from the touch electrode line (Y-TEL-1). a plurality of light-emitting elements disposed in an active area of a display panel; an encapsulation layer (ENCAP) disposed on the plurality of light-emitting elements; a plurality of touch electrodes disposed on the encapsulation layer (ENCAP); a plurality of touch routing lines electrically connected to at least one of the plurality of touch electrodes; and a plurality of auxiliary routing patterns disposed in the active area, positioned between the encapsulation layer (ENCAP) and the plurality of touch routing lines, and respectively electrically connected to at least one of the touch routing lines in the active area, wherein the active area includes a first sub-area and a second sub-area, and wherein a touch routing line that is electrically connected to a touch electrode disposed in the first sub-area and an auxiliary routing pattern overlapped by said touch routing line are disposed on the second sub-area, characterized in that the touch display device further comprises: at least one dummy electrode disposed in an area of the first sub-area and configured to correspond to an area where the touch routing line is disposed on the second sub-area such that the touch routing line is disposed between two parts of a second touch electrode line (Y-TEL-2) disposed on the second sub-area and the dummy electrode is disposed between two parts of a first touch electrode line (Y-TEL-1) disposed on the first sub-area; and at least one dummy pattern positioned on a same layer as the auxiliary routing pattern and being overlapped with the at least one dummy electrode, wherein the at least one dummy pattern is insulated from the at least one dummy electrode, wherein the at least one dummy electrode is electrically separated from the touch electrode line (Y-TEL-1). at least one dummy electrode disposed in an area of the first sub-area and configured to correspond to an area where the touch routing line is disposed on the second sub-area such that the touch routing line is disposed between two parts of a second touch electrode line (Y-TEL-2) disposed on the second sub-area and the dummy electrode is disposed between two parts of a first touch electrode line (Y-TEL-1) disposed on the first sub-area; and at least one dummy pattern positioned on a same layer as the auxiliary routing pattern and being overlapped with the at least one dummy electrode, wherein the at least one dummy pattern is insulated from the at least one dummy electrode, wherein the at least one dummy electrode is electrically separated from the touch electrode line (Y-TEL-1).