A capacitive in-cell touch panel comprising: an array substrate having gate lines and data lines, an opposed substrate disposed opposite to the array substrate, and a common electrode layer on a side of the opposed substrate that faces the array substrate or a side of the array substrate that faces the opposed substrate; wherein: at least one of the gate lines or at least one of the data lines is configured to be reused as a first touch sensing electrode; the common electrode layer comprises a plurality of common electrodes disposed to intersect the first touch sensing electrode and to be independent from the first touch sensing electrode, and at least one of the common electrodes is configured to be reused as a second touch sensing electrode; wherein the touch panel is configured for a time division driving mode, in which a time period for the touch panel to display a frame is divided into a display time period and a touch time period, in the touch time period, touch driving signals are configured to be applied to the first touch sensing electrode, and the second touch sensing electrode is configured to couple and output voltage signals of the touch driving signals; or, touch driving signals are configured to be applied to the second touch sensing electrode, and the first touch sensing electrode is configured to couple and output voltage signals of the touch driving signals; characterized in that the touch panel is further configured to, when at least one of the gate lines is reused as a first touch sensing electrode, the touch driving signals applied to the at least one of the gate lines in the touch time period for touch driving have opposite polarities to that of gate scanning signals applied to the gate lines in the display time period, or when at least one of the data lines is reused as a first touch sensing electrode, voltage signals with opposite polarities are applied to the gate lines in the touch time period and the display time period respectively. an array substrate having gate lines and data lines, an opposed substrate disposed opposite to the array substrate, and a common electrode layer on a side of the opposed substrate that faces the array substrate or a side of the array substrate that faces the opposed substrate; wherein: at least one of the gate lines or at least one of the data lines is configured to be reused as a first touch sensing electrode; the common electrode layer comprises a plurality of common electrodes disposed to intersect the first touch sensing electrode and to be independent from the first touch sensing electrode, and at least one of the common electrodes is configured to be reused as a second touch sensing electrode; wherein the touch panel is configured for a time division driving mode, in which a time period for the touch panel to display a frame is divided into a display time period and a touch time period, in the touch time period, touch driving signals are configured to be applied to the first touch sensing electrode, and the second touch sensing electrode is configured to couple and output voltage signals of the touch driving signals; or, touch driving signals are configured to be applied to the second touch sensing electrode, and the first touch sensing electrode is configured to couple and output voltage signals of the touch driving signals; characterized in that the touch panel is further configured to, when at least one of the gate lines is reused as a first touch sensing electrode, the touch driving signals applied to the at least one of the gate lines in the touch time period for touch driving have opposite polarities to that of gate scanning signals applied to the gate lines in the display time period, or when at least one of the data lines is reused as a first touch sensing electrode, voltage signals with opposite polarities are applied to the gate lines in the touch time period and the display time period respectively.