A mobile terminal includes a display, a communication unit, a microphone, and a controller configured to perform a control operation to transmit a request for management data to a home appliance through the communication unit according to a management mode input and to display a management data screen on the display based on first sound acquired from the home appliance, and perform a control operation to transmit a request for diagnostic data to the home appliance through the communication unit according to a diagnosis mode input and to display a diagnostic data screen on the display based on second sound acquired from the home appliance. The management data screen and diagnostic data screen may be easily displayed based on the sound output from the home appliance.