An in-cell transparent touch display panel, comprising: a plurality of first electrodes extending along a first direction on a transparent substrate, a pixel defining structure on the first electrodes, the pixel defining structure defining a plurality of pixel regions and a plurality of touch electrode regions on the transparent substrate, and adjacent touch electrode regions having at least one pixel region therebetween, an organic electroluminescent layer in the pixel regions, and second electrodes arranged on the organic electroluminescent layer and in the pixel regions, the second electrodes extending along a second direction, a plurality of first touch electrodes extending along the first direction, and a plurality of second touch electrodes extending along the second direction in the touch electrode regions, wherein one of the first electrode and the second electrode is an anode, and the other of the first electrode and the second electrode is a cathode, wherein one of a first touch electrode of the plurality of first touch electrodes and a second touch electrode of the plurality of second touch electrodes is a touch drive electrode, and the other of the first touch electrode and the second touch electrode is a touch sensing electrode, wherein each of the first electrodes, the second electrodes, the first touch electrodes and the second touch electrodes is transparent, and the first direction intersects with the second direction, characterized in that, the in-cell transparent touch display panel further comprises a block electrode arranged in a pixel region of the pixel regions neighboring a touch electrode region of the plurality of touch electrode regions, the block electrode is in a same layer as and surrounded by the second electrode, the block electrode is insulated from the second electrode and the second touch electrodes, and wherein an orthographic projection of the block electrode on the transparent substrate overlaps with an orthographic projection of the first touch electrode on the transparent substrate. a plurality of first electrodes extending along a first direction on a transparent substrate, a pixel defining structure on the first electrodes, the pixel defining structure defining a plurality of pixel regions and a plurality of touch electrode regions on the transparent substrate, and adjacent touch electrode regions having at least one pixel region therebetween, an organic electroluminescent layer in the pixel regions, and second electrodes arranged on the organic electroluminescent layer and in the pixel regions, the second electrodes extending along a second direction, a plurality of first touch electrodes extending along the first direction, and a plurality of second touch electrodes extending along the second direction in the touch electrode regions, wherein one of the first electrode and the second electrode is an anode, and the other of the first electrode and the second electrode is a cathode, wherein one of a first touch electrode of the plurality of first touch electrodes and a second touch electrode of the plurality of second touch electrodes is a touch drive electrode, and the other of the first touch electrode and the second touch electrode is a touch sensing electrode, wherein each of the first electrodes, the second electrodes, the first touch electrodes and the second touch electrodes is transparent, and the first direction intersects with the second direction, characterized in that, the in-cell transparent touch display panel further comprises a block electrode arranged in a pixel region of the pixel regions neighboring a touch electrode region of the plurality of touch electrode regions, the block electrode is in a same layer as and surrounded by the second electrode, the block electrode is insulated from the second electrode and the second touch electrodes, and wherein an orthographic projection of the block electrode on the transparent substrate overlaps with an orthographic projection of the first touch electrode on the transparent substrate.