An in-cell touch display device comprising: a panel including a plurality of data lines, a plurality of gate lines and a plurality of touch electrodes disposed thereon, wherein a touch driving signal is applied to the plurality of touch electrodes when a driving mode is a touch mode; a data driver configured to drive the plurality of data lines; a gate driver configured to drive the plurality of gate lines, wherein the gate driver sequentially outputs a scanning signal for driving the plurality of gate lines to the plurality of gate lines when the driving mode is a display mode, and outputs a load-free driving signal (LFDS_gate) corresponding to the touch driving signal to at least one gate line of the plurality of gate lines when the driving mode is the touch mode, wherein the load-free driving signal (LFDS_gate) has the same voltage width and the same phase as the touch driving signal; and a circuit comprising a level shifter configured to generate the load-free driving signal (LFDS_gate) and a multiplexer configured to input a scanning voltage (VGH/VGL) or the load-free driving signal (LFDS_gate) to the gate driver depending on the driving mode, wherein the circuit is provided as a separate unit outside the gate driver or is provided as an internal unit of the gate driver, wherein the plurality of touch electrodes are a plurality of common electrodes (CE11,..., CE34) to which a common voltage (Vcom) as a display driving signal is applied in the display mode and the touch driving signal is applied in the touch mode, the in-cell touch display device further comprising a touch sensing unit configured to measure a change in capacitance of at least one common electrode of the plurality of common electrodes (CE1,..., CE34) to which the touch driving signal is applied, a touch and coordinates of a touched point being detected based on the change in capacitance, and wherein the touch driving signal is sequentially applied to at least one common electrode. a panel including a plurality of data lines, a plurality of gate lines and a plurality of touch electrodes disposed thereon, wherein a touch driving signal is applied to the plurality of touch electrodes when a driving mode is a touch mode; a data driver configured to drive the plurality of data lines; a gate driver configured to drive the plurality of gate lines, wherein the gate driver sequentially outputs a scanning signal for driving the plurality of gate lines to the plurality of gate lines when the driving mode is a display mode, and outputs a load-free driving signal (LFDS_gate) corresponding to the touch driving signal to at least one gate line of the plurality of gate lines when the driving mode is the touch mode, wherein the load-free driving signal (LFDS_gate) has the same voltage width and the same phase as the touch driving signal; and a circuit comprising a level shifter configured to generate the load-free driving signal (LFDS_gate) and a multiplexer configured to input a scanning voltage (VGH/VGL) or the load-free driving signal (LFDS_gate) to the gate driver depending on the driving mode, wherein the circuit is provided as a separate unit outside the gate driver or is provided as an internal unit of the gate driver, wherein the plurality of touch electrodes are a plurality of common electrodes (CE11,..., CE34) to which a common voltage (Vcom) as a display driving signal is applied in the display mode and the touch driving signal is applied in the touch mode, the in-cell touch display device further comprising a touch sensing unit configured to measure a change in capacitance of at least one common electrode of the plurality of common electrodes (CE1,..., CE34) to which the touch driving signal is applied, a touch and coordinates of a touched point being detected based on the change in capacitance, and wherein the touch driving signal is sequentially applied to at least one common electrode.