An array substrate for a display panel with a touch function, the array substrate comprising at least one driving electrode region and at least one sensing electrode region alternately arranged along a row direction and disconnected from each other, each driving electrode region comprises one first common electrode and each sensing electrode region comprises one second common electrode respectively, at least one driving electrode line extends along the row direction and continuously passes through the driving electrode region and the sensing electrode region alternately arranged along the row direction, the first common electrode in the driving electrode region is connected to the driving electrode line through at least one first through hole, the second common electrode in the sensing electrode region is disconnected from the driving electrode line, wherein the sensing electrode region is formed therein with at least one second dummy driving electrode line and parallel to the driving electrode line, and the second common electrode in the sensing electrode region is connected to the second dummy driving electrode line through at least one fifth through hole, wherein the second common electrode in each sensing electrode region is formed thereon with at least one transverse sensing electrode line and at least one longitudinal sensing electrode line, the at least one transverse sensing electrode line parallel to the driving electrode line in the row direction, and the at least one longitudinal sensing electrode line arranged in the column direction and connected to the at least one transverse sensing electrode line, wherein the second common electrode, the transverse sensing electrode lines and the longitudinal sensing electrode lines located on the second common electrode form a sensing electrode and characterized in that the driving electrode region is formed therein with at least one first dummy driving electrode line in a floating state and parallel to the driving electrode line, the first common electrode in each driving electrode regions is formed thereon with at least one transverse dummy sensing electrode line and at least one longitudinal dummy sensing electrode line, the at least one transverse dummy sensing electrode line parallel to the driving electrode line in the row direction, and the at least one longitudinal dummy sensing electrode line arranged in a column direction and connected to the at least one transverse dummy sensing electrode line, wherein the first common electrode, the transverse dummy sensing electrode line and the longitudinal dummy sensing electrode line which are located on the first common electrode in the driving electrode region form a driving electrode. wherein the sensing electrode region is formed therein with at least one second dummy driving electrode line and parallel to the driving electrode line, and the second common electrode in the sensing electrode region is connected to the second dummy driving electrode line through at least one fifth through hole, wherein the second common electrode in each sensing electrode region is formed thereon with at least one transverse sensing electrode line and at least one longitudinal sensing electrode line, the at least one transverse sensing electrode line parallel to the driving electrode line in the row direction, and the at least one longitudinal sensing electrode line arranged in the column direction and connected to the at least one transverse sensing electrode line, wherein the second common electrode, the transverse sensing electrode lines and the longitudinal sensing electrode lines located on the second common electrode form a sensing electrode and characterized in that the driving electrode region is formed therein with at least one first dummy driving electrode line in a floating state and parallel to the driving electrode line, the first common electrode in each driving electrode regions is formed thereon with at least one transverse dummy sensing electrode line and at least one longitudinal dummy sensing electrode line, the at least one transverse dummy sensing electrode line parallel to the driving electrode line in the row direction, and the at least one longitudinal dummy sensing electrode line arranged in a column direction and connected to the at least one transverse dummy sensing electrode line, wherein the first common electrode, the transverse dummy sensing electrode line and the longitudinal dummy sensing electrode line which are located on the first common electrode in the driving electrode region form a driving electrode.