An embodiment of the invention provides a method for changing a coordinate of an icon according to a sensing signal. The method comprises: outputting the sensing signal via a sensor according to an interactive operation of a user; displaying a plurality of the icons of an operating system via a display device, wherein each icon corresponds to a data element; when receiving the sensing signal and a trigger signal by a processor, by the processor, acquiring the icons currently shown on the display device, generating an updated coordinate of each icon according to the sensing signal output by the sensor, changing the coordinates of the icons of the operating system, and displaying the icons on the display device according to the updated coordinates.