A mobile terminal comprising: a display; a communication unit configured to exchange data with a server; and a controller configured to: in response to an input for executing an application associated with a home appliance, control a screen of the application associated with the home appliance to be displayed on the display, in response to an input for selecting a simple login item on the screen of the application, create a simple login ID account based on device information of the mobile terminal, and control the communication unit to transmit data including information on the created simple login ID account to the server, in response to an input for selecting an account login item on the screen of the application, control the communication unit to transmit data including user account information to the server, and wherein in response to an account switching button included in a pop-up or in a setting screen being selected, the controller is configured to control switching to an account login screen, and wherein in response to an account login being performed using a predetermined user account or a newly created user account, the controller is configured to control setting information of the application associated with the home appliance to be applied based on setting information corresponding to the simple login ID account. a display; a communication unit configured to exchange data with a server; and a controller configured to: in response to an input for executing an application associated with a home appliance, control a screen of the application associated with the home appliance to be displayed on the display, in response to an input for selecting a simple login item on the screen of the application, create a simple login ID account based on device information of the mobile terminal, and control the communication unit to transmit data including information on the created simple login ID account to the server, in response to an input for selecting an account login item on the screen of the application, control the communication unit to transmit data including user account information to the server, and wherein in response to an account switching button included in a pop-up or in a setting screen being selected, the controller is configured to control switching to an account login screen, and in response to an input for executing an application associated with a home appliance, control a screen of the application associated with the home appliance to be displayed on the display, in response to an input for selecting a simple login item on the screen of the application, create a simple login ID account based on device information of the mobile terminal, and control the communication unit to transmit data including information on the created simple login ID account to the server, in response to an input for selecting an account login item on the screen of the application, control the communication unit to transmit data including user account information to the server, and wherein in response to an account switching button included in a pop-up or in a setting screen being selected, the controller is configured to control switching to an account login screen, and wherein in response to an account login being performed using a predetermined user account or a newly created user account, the controller is configured to control setting information of the application associated with the home appliance to be applied based on setting information corresponding to the simple login ID account.