The disclosure discloses an in-cell touch panel and a display device, wherein a touch sensing structural layer for implementing a touch control function is added between an upper substrate and a lower substrate, the touch sensing structural layer includes first touch sensing electrodes and second touch sensing electrodes both provided in a same layer, insulated from each other and arranged crosswise, wherein an orthographic projection on the lower substrate, of a graph of the added touch sensing structural layer is located in a region where a graph of the black matrix layer is located, capable of avoiding occupying an aperture rate of pixel units.