A home appliance comprising: a display (no); a sensor configured to detect whether a door of the home appliance is opened or closed; and a processor configured to: control the display to display one or more objects; and based on sensing, by the sensor, at least one of an opening or a closing of the door, apply a visual feedback effect to the one or more objects, wherein the visual feedback effect comprises at least one of a left and right swaying effect, a back and forth swaying effect, or a shaking effect, wherein: the sensor is configured to sense an opening or a closing intensity when the door is opened or closed, and the processor is configured to determine a strength of the swaying effect or a strength of the shaking effect based on the intensity of the opening or the closing of the door detected by the sensor, or the home appliance comprises a microphone and the processor is configured to identify the intensity of the door opening or closing based on a sound detected by the microphone, and determine a strength of the swaying effect or a strength of the shaking effect based on the identified intensity. a display (no); a sensor configured to detect whether a door of the home appliance is opened or closed; and a processor configured to: control the display to display one or more objects; and based on sensing, by the sensor, at least one of an opening or a closing of the door, apply a visual feedback effect to the one or more objects, wherein the visual feedback effect comprises at least one of a left and right swaying effect, a back and forth swaying effect, or a shaking effect, wherein: the sensor is configured to sense an opening or a closing intensity when the door is opened or closed, and the processor is configured to determine a strength of the swaying effect or a strength of the shaking effect based on the intensity of the opening or the closing of the door detected by the sensor, or the home appliance comprises a microphone and the processor is configured to identify the intensity of the door opening or closing based on a sound detected by the microphone, and determine a strength of the swaying effect or a strength of the shaking effect based on the identified intensity. control the display to display one or more objects; and based on sensing, by the sensor, at least one of an opening or a closing of the door, apply a visual feedback effect to the one or more objects, wherein the visual feedback effect comprises at least one of a left and right swaying effect, a back and forth swaying effect, or a shaking effect, wherein: the sensor is configured to sense an opening or a closing intensity when the door is opened or closed, and the processor is configured to determine a strength of the swaying effect or a strength of the shaking effect based on the intensity of the opening or the closing of the door detected by the sensor, or the home appliance comprises a microphone and the processor is configured to identify the intensity of the door opening or closing based on a sound detected by the microphone, and determine a strength of the swaying effect or a strength of the shaking effect based on the identified intensity. the sensor is configured to sense an opening or a closing intensity when the door is opened or closed, and the processor is configured to determine a strength of the swaying effect or a strength of the shaking effect based on the intensity of the opening or the closing of the door detected by the sensor, or the home appliance comprises a microphone and the processor is configured to identify the intensity of the door opening or closing based on a sound detected by the microphone, and determine a strength of the swaying effect or a strength of the shaking effect based on the identified intensity.