An electronic device may include: a camera configured to acquire a current image by capturing an image of an environment around the electronic device; a voice input device configured to receive a user utterance from a user; a processor; and a memory configured to store therein instructions to be executed by the processor, in which, when the instructions are executed by the processor, the processor may be configured to: determine a user's intent based on the received user utterance; determine a target device to be controlled corresponding to the determined intent; and control the determined target device based on the determined intent, and to determine the target device.