A home appliance, comprising: a memory unit for storing at least one operation program for operation control; a control unit for controlling an operation of the home appliance by executing an operation program; and a terminal mounting unit to which a mobile terminal having a display means is attachably and detachably mountable; wherein the terminal mounting unit comprises: a connection terminal configured to be electrically connected to the mobile terminal, and a connection sensing unit for sensing whether the mobile terminal is mounted to the terminal mounting unit through the connection terminal, wherein the connection sensing unit of the terminal mounting unit is configured to sense an attachment or detachment of the mobile terminal and provide a sensing signal to the control unit, a data processing unit for transmitting operation state data to the mobile terminal through the connection terminal and for providing the data received from the mobile terminal to the control unit; wherein the control unit is adapted to transmit the operation state data to the mobile terminal through the terminal mounting unit during an operation of the home appliance, to control the operation state data to be displayed through the mobile terminal, when the mobile terminal is mounted to the terminal mounting unit, and to change the operation of the home appliance, corresponding to data received from the mobile terminal through the terminal mounting unit, and wherein when the mobile terminal is mounted to the terminal mounting unit, the mobile terminal is operable as a display means of the home appliance and to provide data input from the mobile terminal to the control unit; wherein the home appliance further comprising a display unit for outputting an operation state, wherein, if the mobile terminal is mounted to the terminal mounting unit, the control unit is configured to set the display means of the mobile terminal as a main display and set the display unit as an auxiliary display, and wherein, if the mobile terminal is separated from the terminal mounting unit, the control unit is configured to display the operation state through the display unit. a memory unit for storing at least one operation program for operation control; a control unit for controlling an operation of the home appliance by executing an operation program; and a terminal mounting unit to which a mobile terminal having a display means is attachably and detachably mountable; wherein the terminal mounting unit comprises: a connection terminal configured to be electrically connected to the mobile terminal, and a connection sensing unit for sensing whether the mobile terminal is mounted to the terminal mounting unit through the connection terminal, wherein the connection sensing unit of the terminal mounting unit is configured to sense an attachment or detachment of the mobile terminal and provide a sensing signal to the control unit, a connection terminal configured to be electrically connected to the mobile terminal, and a connection sensing unit for sensing whether the mobile terminal is mounted to the terminal mounting unit through the connection terminal, wherein the connection sensing unit of the terminal mounting unit is configured to sense an attachment or detachment of the mobile terminal and provide a sensing signal to the control unit, a data processing unit for transmitting operation state data to the mobile terminal through the connection terminal and for providing the data received from the mobile terminal to the control unit; wherein the control unit is adapted to transmit the operation state data to the mobile terminal through the terminal mounting unit during an operation of the home appliance, to control the operation state data to be displayed through the mobile terminal, when the mobile terminal is mounted to the terminal mounting unit, and to change the operation of the home appliance, corresponding to data received from the mobile terminal through the terminal mounting unit, and wherein when the mobile terminal is mounted to the terminal mounting unit, the mobile terminal is operable as a display means of the home appliance and to provide data input from the mobile terminal to the control unit; wherein the home appliance further comprising a display unit for outputting an operation state, wherein, if the mobile terminal is mounted to the terminal mounting unit, the control unit is configured to set the display means of the mobile terminal as a main display and set the display unit as an auxiliary display, and wherein, if the mobile terminal is separated from the terminal mounting unit, the control unit is configured to display the operation state through the display unit.