A foldable display set may include: a foldable display device; and a holding system on a rear surface of the foldable display device and configured to fold and unfold the foldable display device. The holding system may include: a motor configured to generate a rotational force; a rotational arm configured to be rotated by the rotational force of the motor to fold and unfold the foldable display device; a fixing plate spaced apart from the rotational arm with the foldable display device in an unfolded state; a moving plate on the fixing plate and configured to be moved with respect to the fixing plate by the rotational arm; and a magnetic unit fixed on the moving plate. The foldable display device in a folded state may be fixed to the magnetic unit via a magnetic force.