The invention discloses a transferring device. The transferring device comprises a mounting plate. A guide rail is horizontally arranged on the mounting plate. A sliding block is slidably mounted on the guide rail. A square guide cylinder formed by a bottom plate, a top plate, a left side plate and a right side plate is arranged on the sliding block. A driving motor is arranged below the mountingplate. An eccentric shaft is connected to the driving motor in a transmission mode. A connecting rod is connected to the eccentric shaft. The other end of the connecting rod is connected with the sliding block. Through the structural design of the transferring device, paper stacks can be effectively pushed without affecting the conveyance of packaging films, and thus, smooth proceeding of the packaging process is ensured.