Hanging piece

The utility model relates to a hanging piece which comprises channel steel, filling foam, a channel steel fixing piece and an embedded groove hanging bolt. The channel steel is long-strip-shaped, an opening with the width smaller than that of the channel steel is formed in the bottom of the channel steel, and when the floor slab is prefabricated, the inner space of the channel steel is filled with the filling foam; the channel steel fixing piece is fixed at the top of the channel steel; the channel steel fixing piece can be bound and fixed on a plurality of pre-embedded steel bars selected in a floor slab; the embedded groove hanging bolt can be limited in the internal space and is used for hanging objects below the embedded groove hanging bolt. According to the utility model, the floor does not need to be drilled, so that the floor is prevented from being damaged, the plate bottom suspension bolt can slide in the pre-buried groove-shaped embedded part, the installation can be carried out according to the act