An adhesive dispensing apparatus for dispensing an adhesive on a sheet bundle includes a support device for supporting the sheet bundle, a dispensing device disposed adjacent to the support device for dispensing the adhesive on an edge of the sheet bundle supported by the support device, and a transport device disposed adjacent to the support device for transporting the sheet bundle from the edge, to which the adhesive is applied, as a leading edge in a transport direction. A refilling device is provided for refilling the adhesive to the dispensing device, and a moving device moves the dispensing device between a dispending position where the adhesive is dispensed to the edge of the sheet bundle and a refilling position where the adhesive is supplied to the dispensing device from the refilling device.