Fastening connecting piece for embedded part

The utility model relates to the field of embedded parts, and discloses a fastening connecting piece for an embedded part, the fastening connecting piece comprises a plate body and two connecting frames, the bottom end of the plate body is fixedly provided with two limiting frames, the two limiting frames are symmetrically distributed with the plate body as the axis, and a pressure discharging hole is formed in the plate body; the center of the pressure discharging hole and the center of the plate body are located on the same straight line, a plurality of fixing blocks are fixedly connected to the bottom end of the connecting frame, fixing holes are formed in the inner walls of the fixing blocks and the limiting frame in a penetrating mode, bolts are installed on the inner walls of the fixing holes in a threaded mode, and the top of the connecting frame is fixedly connected with the bottom end of the plate body. The inner wall of the connecting frame is clamped with the top of the limiting frame; the connecti