A controlling system (300, 300') of a touch panel, comprising: a drive signal generating circuit; a sensing module (320, 320') configured for sensing a waveform signal from the touch panel, said sensing module (320, 320') comprising a first sensing unit electrically connected to a plurality of first axial conductive lines on the touch panel and a second sensing unit (322, 322') electrically connected to the first axial conductive lines and a plurality of second axial conductive lines on the touch panel, wherein the first axial conductive lines and the second axial conductive lines are mutually insulated and intersected, wherein the sensing module (320, 320') is configured for outputting a signal; and a signal processing module (330, 330') configured for enabling and disabling the drive signal generating circuit based on the signal outputted by the sensing module (320, 320'), wherein the signal processing module (330, 330') comprises a switching unit electrically connected to the first sensing unit and the second sensing unit (322, 322'); a determining module (333, 333') configured for determining a characteristic of signals outputted by the first sensing unit and the second sensing unit (322, 322'); and a controlling unit configured for generating a switching signal and controlling the enabling and disabling operation of the drive signal generating circuit based on a determining result of the determining module (333, 333'); characterized in that the signal processing module (330, 330') further comprises an analog-to-digital converter electrically connected to the switching unit, wherein the switching unit is configured for selectively outputting signals generated by the first sensing unit and the second sensing unit (322, 322') based on the switching signal, the analog-to-digital converter is configured for converting a signal generated by the switching unit from an analog signal to a digital signal, and the controlling unit is configured for determining the location of touch points on the touch panel based on the signal generated by either the first sensing unit or the second sensing unit (322, 322'). a drive signal generating circuit; a sensing module (320, 320') configured for sensing a waveform signal from the touch panel, said sensing module (320, 320') comprising a first sensing unit electrically connected to a plurality of first axial conductive lines on the touch panel and a second sensing unit (322, 322') electrically connected to the first axial conductive lines and a plurality of second axial conductive lines on the touch panel, wherein the first axial conductive lines and the second axial conductive lines are mutually insulated and intersected, wherein the sensing module (320, 320') is configured for outputting a signal; and a signal processing module (330, 330') configured for enabling and disabling the drive signal generating circuit based on the signal outputted by the sensing module (320, 320'), wherein the signal processing module (330, 330') comprises a switching unit electrically connected to the first sensing unit and the second sensing unit (322, 322'); a determining module (333, 333') configured for determining a characteristic of signals outputted by the first sensing unit and the second sensing unit (322, 322'); and a controlling unit configured for generating a switching signal and controlling the enabling and disabling operation of the drive signal generating circuit based on a determining result of the determining module (333, 333'); characterized in that the signal processing module (330, 330') further comprises an analog-to-digital converter electrically connected to the switching unit, wherein the switching unit is configured for selectively outputting signals generated by the first sensing unit and the second sensing unit (322, 322') based on the switching signal, the analog-to-digital converter is configured for converting a signal generated by the switching unit from an analog signal to a digital signal, and the controlling unit is configured for determining the location of touch points on the touch panel based on the signal generated by either the first sensing unit or the second sensing unit (322, 322').