A flexible display apparatus according to an embodiment of the present invention comprises: a display unit which displays information on a screen, wherein the display unit is configured to allow the screen to be enlarged or reduced; a sensing unit which detects the size of the screen; and a control unit which displays first information in a first area corresponding to a first distance on the screen of the display unit, enlarges the screen by a second area corresponding to a second distance, and displays, in the second area, second information that is associated with the first information in a time-series manner.