The utility model relates to a lever type pressing device sharing a tappet. The technical problem that a plurality of pressing plate type pressing devices are difficult to arrange in a narrow space issolved. The device is provided with a bottom plate, a pressing device and a common tappet, the pressing device is provided with a nut, a double-end stud, a pressing plate, a copper base plate and a supporting spring. The end, away from the bottom plate, of the stud is provided with external threads. A nut is connected through external threads and located above a pressing plate, a long hole is formed in the pressing plate, a stud is connected with the pressing plate through the long hole, the front end of the pressing plate is welded to a copper base plate, a cross-shaped groove is formed in the upper end of a common tappet, the tail end of the pressing plate is embedded into the cross-shaped groove, and a supporting spring is arranged below the pressing plate and arranged on the stud. Theclamp can be widely applied to the field of mechanical clamps.