The thin panel conveyance unit used for piling up and conveying a plurality of rectangular thin panels includes: resin cushion spacers inserted between the rectangular thin panels, each resin cushion spacer having a load-receiving upper surface for receiving load of the rectangular thin panel disposed above and a placement lower surface placed on an upper surface of the rectangular thin panel disposed below, and having an end part provided with a positioning body for the resin cushion spacer; a pallet having an upper surface configured to allow the rectangular thin panels to be piled up thereon; and a protection sleeve surrounding the piled rectangular thin pallets. The upper surface of the pallet is provided with a peripheral groove in which the protection sleeve can be fitted.