A user terminal apparatus in which a first home appliance and a second home appliance are registered comprising: a communicator; a display; and and a processor configured to: provide a first item for controlling the first home appliance and a second item for controlling the second home appliance on the display, and change a display state of the second item based on state information in which the first home appliance is configured as a master device and the second home appliance is configured as a slave device being received through the communicator, provide a UI for integrally controlling a common function or a related function of the first home appliance and the second home appliance on the display based on the first item corresponding to the master device being selected, wherein the UI for integrally controlling the common function or the related function of the first and second home appliances includes a menu for controlling the first home appliance, and wherein the processor is further configured to, based on the menu being selected, transmit a control command for making a control operation corresponding to the menu be performed at both of the first and second home appliances to the first home appliance, wherein the second home appliance is a home appliance that performs a function common to or related to the function of the first home appliance. a communicator; a display; and and a processor configured to: provide a first item for controlling the first home appliance and a second item for controlling the second home appliance on the display, and change a display state of the second item based on state information in which the first home appliance is configured as a master device and the second home appliance is configured as a slave device being received through the communicator, provide a UI for integrally controlling a common function or a related function of the first home appliance and the second home appliance on the display based on the first item corresponding to the master device being selected, wherein the UI for integrally controlling the common function or the related function of the first and second home appliances includes a menu for controlling the first home appliance, and wherein the processor is further configured to, based on the menu being selected, transmit a control command for making a control operation corresponding to the menu be performed at both of the first and second home appliances to the first home appliance, wherein the second home appliance is a home appliance that performs a function common to or related to the function of the first home appliance. provide a first item for controlling the first home appliance and a second item for controlling the second home appliance on the display, and change a display state of the second item based on state information in which the first home appliance is configured as a master device and the second home appliance is configured as a slave device being received through the communicator, provide a UI for integrally controlling a common function or a related function of the first home appliance and the second home appliance on the display based on the first item corresponding to the master device being selected, wherein the UI for integrally controlling the common function or the related function of the first and second home appliances includes a menu for controlling the first home appliance, and wherein the processor is further configured to, based on the menu being selected, transmit a control command for making a control operation corresponding to the menu be performed at both of the first and second home appliances to the first home appliance, wherein the second home appliance is a home appliance that performs a function common to or related to the function of the first home appliance.