A touch panel, comprising at least one touch-sensing layer, at least one pixel module spacer layer and at least one dielectric substrate layer, which are sequentially laminated; the touch-sensing layer comprising a plurality of sensing units arranged at intervals and at least one grounding unit, wherein gaps are provided between the plurality of sensing units and the at least one grounding unit, wherein the plurality of sensing units are configured to sense a touch signal to control LED pixel modules, and the at least one grounding unit is configured to be grounded; wherein the pixel module spacer layer is provided with a plurality of through-holes arranged at intervals, wherein the plurality of through-holes are provided corresponding to the gaps between the plurality of sensing units and the at least one grounding unit, and each of the plurality of through-holes communicates with the gap corresponded thereto, and wherein the plurality of through-holes are configured for receiving the LED pixel modules, and wherein cross-sections of each sensing unit and each grounding unit are octagonal, a cross-section of each through-hole is circular, and the octagon includes four curved edges and four straight edges alternately distributed, wherein adjacent edges of adjacent sensing units or grounding units are straight edges that are parallel to each other, and wherein the curved edges of each sensing unit or each grounding unit are parallel to a circular arc of the cross-section of the through-hole adjacent thereto, respectively; or the cross-sections of each sensing unit, each grounding unit and each through-hole are in a shape of square with the same size, wherein the cross-section refers to a cross-section parallel to the touch panel. the touch-sensing layer comprising a plurality of sensing units arranged at intervals and at least one grounding unit, wherein gaps are provided between the plurality of sensing units and the at least one grounding unit, wherein the plurality of sensing units are configured to sense a touch signal to control LED pixel modules, and the at least one grounding unit is configured to be grounded; wherein the pixel module spacer layer is provided with a plurality of through-holes arranged at intervals, wherein the plurality of through-holes are provided corresponding to the gaps between the plurality of sensing units and the at least one grounding unit, and each of the plurality of through-holes communicates with the gap corresponded thereto, and wherein the plurality of through-holes are configured for receiving the LED pixel modules, and wherein cross-sections of each sensing unit and each grounding unit are octagonal, a cross-section of each through-hole is circular, and the octagon includes four curved edges and four straight edges alternately distributed, wherein adjacent edges of adjacent sensing units or grounding units are straight edges that are parallel to each other, and wherein the curved edges of each sensing unit or each grounding unit are parallel to a circular arc of the cross-section of the through-hole adjacent thereto, respectively; or the cross-sections of each sensing unit, each grounding unit and each through-hole are in a shape of square with the same size, wherein the cross-section refers to a cross-section parallel to the touch panel.