The utility model discloses a bottom plate soft protective device of a superconducting iron remover. The device comprises a fixed bracket which is fixed on the side wall of the iron remover. The fixed bracket is connected with a movable bracket through a buffering device; the movable bracket is connected with a bottom plate used for covering the bottom wall of the iron remover; and an elastic rubber plate is arranged on the upper side of the bottom plate. The utility model has the advantages of effectively preventing the iron magnetic materials from directly impacting on the super conducting iron remover, thereby protecting the normal operation of the super conducting iron remover.