Abstract: A display device according to as embodiment of the present disclosure may comprise: a display; a communication interface for receiving, from a first server, a connected device information set including information on each of multiple home appliances connected to the display device; and a processor for acquiring a voice signal corresponding to a voice command uttered by a user, transmitting voice data corresponding to the received voice signal and the connected device information set to a second server, receiving, from the second server, an intention analysis result for the voice command, determining, if home appliances of the same kind are included in the multiple home appliances, a home appliance matching the intention of the voice command from among the home appliances of the same kind on the basis of the received intention analysis result, and transmitting, to the first server, a control command for controlling the determined home appliance.