Veneer bare concrete electric pre-buried box and construction method thereof

The invention discloses a veneer bare concrete electric pre-buried box. The veneer bare concrete electric pre-buried box includes a box body and a formwork, the box body is provided with a conduit connection, a first through hole is formed in the bottom of the box body, the bottom surface of the formwork is symmetrically provided with two support plates, the bottom portions of the support plates are provided with notches, the center of the formwork is provided with a second through hole, fixed bolts penetrate through the second through hole and the first through hole to be connected with a nutand further to fix the formwork to the box body, the fixed bolts are in interference fit with the notches, and when the fixed bolts are inserted in the box body in a connected mode, the fixed bolts can push the support plates to mutually crimp the inner wall of the box body; and the edge of the bottom surface of the formwork is provided with a groove, and the top edge of the box body is insertedin the groove in a connect