Steel formwork fastening and connecting tool

The invention discloses a steel formwork fastening and connecting tool and belongs to the technical field of steel formwork accessories, a vertical storage box is arranged in a first supporting frame, a plurality of connecting pieces are stacked in the vertical storage box, and the connecting pieces in the vertical storage box sequentially enter a horizontal storage box to move in the horizontal direction; and a driving mechanism for driving the motor, the lengthened sleeve and the nut to move is arranged on the horizontal storage box. A push plate at one end of a third sliding rod is adopted to push a connecting piece in a horizontal storage box forwards, the connecting piece is pushed out to the joint between a first steel formwork and a second steel formwork which are adjacent, a second clamping groove of a clamping plate clamps a screw, the screw is placed in a connecting hole of the connecting piece and the second steel formwork, and then the connecting piece and the second steel formwork are clamped. Th