A capacitive touch panel, comprising: a touch sensing pattern formed on a substrate to generate sensing signals in response to a touch on the capacitive touch panel, wherein the touch sensing pattern comprises a plurality of first conductive assemblies arranged in a first axial direction and a plurality of second conductive assemblies arranged in a second axial direction perpendicular to the first axial direction; a controller configured to receive and process the sensing signals; and a signal line group including a plurality of first signal lines and a second signal line; wherein a first end of each first conductive assembly is respectively connected to the controller through a corresponding first signal line, a first end of each second conductive assembly is connected to the controller through a corresponding first signal line, and the second signal line connects second ends of all of the first conductive assemblies to the controller, wherein the second signal line is always connected to a constant signal source in the controller to provide a common driving signal to the second ends of all of the first conductive assemblies, wherein the controller is configured to scan each of the first conductive assemblies sequentially through a corresponding first signal line by sequentially inputting a scanning signal to each of the first ends of the first conductive assemblies through a corresponding first signal line to charge and then discharge repeatedly while the second conductive assemblies are grounded wherein the scanning signal has the same frequency, potential and phase as the common driving signal, for detecting a capacitance variation on the first conductive assemblies. a touch sensing pattern formed on a substrate to generate sensing signals in response to a touch on the capacitive touch panel, wherein the touch sensing pattern comprises a plurality of first conductive assemblies arranged in a first axial direction and a plurality of second conductive assemblies arranged in a second axial direction perpendicular to the first axial direction; a controller configured to receive and process the sensing signals; and a signal line group including a plurality of first signal lines and a second signal line; wherein a first end of each first conductive assembly is respectively connected to the controller through a corresponding first signal line, a first end of each second conductive assembly is connected to the controller through a corresponding first signal line, and the second signal line connects second ends of all of the first conductive assemblies to the controller, wherein the second signal line is always connected to a constant signal source in the controller to provide a common driving signal to the second ends of all of the first conductive assemblies, wherein the controller is configured to scan each of the first conductive assemblies sequentially through a corresponding first signal line by sequentially inputting a scanning signal to each of the first ends of the first conductive assemblies through a corresponding first signal line to charge and then discharge repeatedly while the second conductive assemblies are grounded wherein the scanning signal has the same frequency, potential and phase as the common driving signal, for detecting a capacitance variation on the first conductive assemblies.