The invention discloses a paper gripping and conveying device. The paper gripping and conveying device comprises a support, support pillars, an upper gripping plate component, a lower gripping plate component and a hinge component, wherein the upper gripping plate component comprises an upper gripping plate and first air cylinders, first piston rods are arranged at the lower ends of the first air cylinders, the upper gripping plate is fixedly connected with the lower ends of the first piston rods, the lower gripping plate component comprises a lower gripping plate and a second air cylinder, the lower end of the second air cylinder is provided with a second piston rod, and the first air cylinders, the second air cylinder and the support pillars are fixedly connected on the support; the lower gripping plate is arranged below the upper gripping plate, and the left and right ends of the upper gripping plate and the lower gripping plate are arranged in the area between the support pillars. The hinge component comprises a connecting shaft, a rotary rod and a hinge connector, wherein the rotary rod is perpendicularly and fixedly connected with one end of the connecting shaft, two ends of the hinge connector are hinged with the free end of the rotary rod and the lower end of the second piston rod, the other end of the connecting shaft penetrates the left end face and the right end face of the support pillars respectively, and the lower gripping plate is fixedly connected with the connecting shaft. The paper gripping and conveying device has the advantages of high universality and reliability, stability in running, long service life and compact structure.