Disclosed are a display apparatus and a method of controlling the same, the display apparatus including: a plurality of display modules arranged in up and down directions, and configured to switch between a first state, the first state being a folded state and a second state, the second state being an unfolded state; a plurality of joining units each comprising a hinge provided between the plurality of display modules and configured to join adjacent display modules; a driver including a wire supporting the plurality of display modules, and configured to drive the plurality of display modules to switch to the first state or the second state by adjusting a length of the wire; and a pair of coupling guides provided on lateral sides of the plurality of display modules and configured to guide adjacent display modules to switch between the first state and the second state.