Embodiments of the disclosure provide a touch display panel and a display device. The touch display panel includes a base substrate, where the base substrate includes a display area, a bezel area surrounding the display area and a bonding area extending from the bezel area on one side; and a touch structural layer, on a side of the base substrate. The touch structural layer includes a plurality of touch traces in the bezel area; and at least part of the touch traces are single-layered traces and adjacent single-layered touch traces are disposed in different layers.