A touch display device is disclosed, comprising a display module and a plurality of touch units disposed on the display module. The display module comprises a plurality of first sub-pixels, second sub-pixels, and third sub-pixels having different colors. Each of the touch units comprises two first electrode blocks arranged along a first direction, two second electrode blocks electrically connected to each other and arranged along a second direction, a bridge line electrically connected to the two first electrode blocks, wherein an angle (θ1) formed between the bridge line and the first direction is larger than 0°; and an insulating layer disposed between the bridge line and the two second electrodes.