Various embodiments of the present invention relate to a method for setting a layout for a physical keyboard by an electronic device to which same is connected, and a device therefor. An electronic device according to various embodiments of the present invention may comprise a display, a communication interface, a memory, and a processor, wherein the processor includes the functions of: sensing, through the communication interface, whether an external device is connected; displaying guide text related to keyboard layout configurations by means of the display on the basis of the function of sensing whether the external device is connected; receiving a key value input by a user through the external device; searching for a layout corresponding to the received key value; and setting the found layout as a keyboard layout for the connected external device. Various embodiments are possible.