The present invention relates to a control device for controlling an operation of at least one electric device. The control device includes a user interface unit configured to display a first screen having an icon corresponding to the at least one electric device and a state window of the at least one electric device, and receive an operation command for the at least one electric device; and a control unit configured to, when an icon of any one electric device is selected, perform control such that a control screen for controlling the selected any one electric device is displayed on the user interface, and when a state window of any one electric device is selected, perform control such that a current operation of the selected any one electric device is switched. It is possible to allow easy identification by utilizing icons to display a plurality of home electric devices and it is also possible to check operation states of the home electric devices by utilizing speech bubbles to display the operation states of the electric devices in the vicinity of the icons.