A home appliance is disclosed. The home appliance comprises: a communication unit; and a processor for receiving a signal including identification information of external home appliances from at least one external home appliance through the communication unit for a preset amount of time, identifying an external home appliance arranged adjacently to the home appliance on the basis of the received signal, and performing a communication connection with the identified external home appliance, when an event for the communication connection with the at least one external home appliance occurs.