The disclosure provides an electronic device, including a display panel, a touch component, and a processor. The display panel includes a display region, the touch component includes a touch region, and the processor is electrically connected to the display panel and the touch component. The processor defines an effective input region for executing a function of at least one input component in the touch region, to establish link setting information between the input component and the corresponding effective input region, and execute the function of the input component according to the link setting information in response to a touch operation sensed by the effective input region.