A touch sensor integrated type display device comprising: a display panel including data lines (D1,..., Dm) and gate lines (G1,..., Gn) crossing over each other, a plurality of touch/common electrodes (T11,..., T45) divided and arranged in directions crossing over each other, and a plurality of touch/common routing wires (W11,..., W45) respectively connected to the plurality of touch/common electrodes (T11,..., T45), the display panel configured to be time-division driven in a display driving period and a touch driving period; a data driving circuit configured to supply video data voltages to the data lines (D1,..., Dm) during the display driving period; a scan driving circuit configured to sequentially supply scan pulses synchronized with the video data voltages to the gate lines (G1,..., Gn) during the display driving period; a multiplexing unit configured to supply a common voltage to the plurality of touch/common electrodes (T11,..., T45) during the display driving period, supply a touch driving voltage (Vtx) to the plurality of touch/common electrodes (T11,..., T45) several times during the touch driving period; a readout integrated circuit (ROIC) configured to receive sensing voltages (Vrx) sensed from the plurality of touch/common electrodes (T11,..., T45) via the multiplexing unit during the touch driving period; and a touch controller configured to supply a plurality of switching control signals to the multiplexing unit and calculate a touch location based on the sensing voltages (Vrx) received from the readout integrated circuit (ROIC), characterized in that the multiplexing unit is configured to sense the plurality of touch/common electrodes (T11,..., T45) several times using a self-capacitive method and a plurality of mutual capacitive methods in sequence, wherein the plurality of mutual capacitive methods includes a first mutual capacitive method that senses in a horizontal direction, a second mutual capacitive method that senses in a vertical direction, and a third mutual capacitive method that senses in a diagonal direction. a display panel including data lines (D1,..., Dm) and gate lines (G1,..., Gn) crossing over each other, a plurality of touch/common electrodes (T11,..., T45) divided and arranged in directions crossing over each other, and a plurality of touch/common routing wires (W11,..., W45) respectively connected to the plurality of touch/common electrodes (T11,..., T45), the display panel configured to be time-division driven in a display driving period and a touch driving period; a data driving circuit configured to supply video data voltages to the data lines (D1,..., Dm) during the display driving period; a scan driving circuit configured to sequentially supply scan pulses synchronized with the video data voltages to the gate lines (G1,..., Gn) during the display driving period; a multiplexing unit configured to supply a common voltage to the plurality of touch/common electrodes (T11,..., T45) during the display driving period, supply a touch driving voltage (Vtx) to the plurality of touch/common electrodes (T11,..., T45) several times during the touch driving period; a readout integrated circuit (ROIC) configured to receive sensing voltages (Vrx) sensed from the plurality of touch/common electrodes (T11,..., T45) via the multiplexing unit during the touch driving period; and a touch controller configured to supply a plurality of switching control signals to the multiplexing unit and calculate a touch location based on the sensing voltages (Vrx) received from the readout integrated circuit (ROIC), characterized in that the multiplexing unit is configured to sense the plurality of touch/common electrodes (T11,..., T45) several times using a self-capacitive method and a plurality of mutual capacitive methods in sequence, wherein the plurality of mutual capacitive methods includes a first mutual capacitive method that senses in a horizontal direction, a second mutual capacitive method that senses in a vertical direction, and a third mutual capacitive method that senses in a diagonal direction.