An electronic device comprising: a display unit; and a processing unit operatively coupled with the display unit, the processing unit configured to: display, in an area of the display unit, a notification message for notifying that an event occurs in the electronic device; in response to detecting a first input for moving the displayed notification message being displayed in said area in a first direction: cause the notification message to disappear by dragging and dropping the notification message to a first area of an edge of the display unit; and after the notification message has disappeared, display an object within the first area for indicating that the notification message has been stored in a common region, and in response to detecting a second input for moving the displayed notification message being displayed in said area in a second direction and subsequently moving the notification message in the first direction: cause the notification message to disappear by dragging and dropping the notification message to a second area of the edge of the display unit; and after the notification message has disappeared, display another object within the second area for indicating that the notification message has been stored in a designated region. a display unit; and a processing unit operatively coupled with the display unit, the processing unit configured to: display, in an area of the display unit, a notification message for notifying that an event occurs in the electronic device; in response to detecting a first input for moving the displayed notification message being displayed in said area in a first direction: cause the notification message to disappear by dragging and dropping the notification message to a first area of an edge of the display unit; and after the notification message has disappeared, display an object within the first area for indicating that the notification message has been stored in a common region, and in response to detecting a second input for moving the displayed notification message being displayed in said area in a second direction and subsequently moving the notification message in the first direction: cause the notification message to disappear by dragging and dropping the notification message to a second area of the edge of the display unit; and after the notification message has disappeared, display another object within the second area for indicating that the notification message has been stored in a designated region. display, in an area of the display unit, a notification message for notifying that an event occurs in the electronic device; in response to detecting a first input for moving the displayed notification message being displayed in said area in a first direction: cause the notification message to disappear by dragging and dropping the notification message to a first area of an edge of the display unit; and after the notification message has disappeared, display an object within the first area for indicating that the notification message has been stored in a common region, and cause the notification message to disappear by dragging and dropping the notification message to a first area of an edge of the display unit; and after the notification message has disappeared, display an object within the first area for indicating that the notification message has been stored in a common region, and in response to detecting a second input for moving the displayed notification message being displayed in said area in a second direction and subsequently moving the notification message in the first direction: cause the notification message to disappear by dragging and dropping the notification message to a second area of the edge of the display unit; and after the notification message has disappeared, display another object within the second area for indicating that the notification message has been stored in a designated region. cause the notification message to disappear by dragging and dropping the notification message to a second area of the edge of the display unit; and after the notification message has disappeared, display another object within the second area for indicating that the notification message has been stored in a designated region.