Blocking piece for case network card interface

The utility model discloses a blocking piece for a case network card interface, and belongs to a case accessory. The blocking piece is a rectangular board, wherein round protrusions are respectively arranged on the upper surface and the lower surface of the blocking piece, two protective gaskets are respectively arranged on the upper portion and the lower portion of the outer surface of the blocking piece, and a crossed opening is formed in the middle of the blocking piece. The blocking piece for the case network card interface can block an exposed network card outlet of a case rear blocking plate, enables the case to be beautiful and radiation-proof, and has the advantages of being reasonable in design, simple in structure, easy to machine, small in size, convenient to carry, and the like.