Compound fracturing bridge plug setting device

The invention discloses a composite fracturing bridge plug setting device which is characterized in that a bridge plug comprises a central pipe, the peripheral surface of the central pipe is sleeved with a sealing rubber sleeve, a locking assembly and a shearing sleeve, the shearing sleeve moves downwards in the axial direction of the central pipe so that the locking assembly can be clamped and fixed in a sleeve, and the middle of the sealing rubber sleeve can be connected with the sleeve in a sealed mode; the setting device comprises a center rod, the lower end of the center rod is detachably connected with the upper end of the center pipe, the peripheral surface of the center rod is hermetically sleeved with a first piston, the lower end of the first piston is connected with a shearing sleeve, the peripheral surface of the upper end of the first piston is hermetically connected with a first outer cylinder, and a first liquid injection gap is formed between a first annular protruding part and the first pisto