A fixing apparatus for fixing a probe card to a holder includes a screw fixed to the holder and binding the probe card onto the holder in a vertical direction, a first bearing member intervening between a head of the screw and the probe card and allowing expansion and contraction of the probe card with respect to the screw in a horizontal direction, and a second bearing member intervening between the probe card and the holder and allowing expansion and contraction of the probe card with respect to the holder in the horizontal direction.