The utility model discloses a roller transfer device, which comprises a workbench, rollers and supports, wherein the rollers are fixed on the supports through screws, the supports are fixed on the workbench through the screws, the supports are of a U-shaped structure, and are fixed on the workbench through the screws, and the rollers are made from pressure resistance materials, are fixed on the supports through the screws, and can roll. When a pallet provided with workpiece contacts with the rollers, the rollers can play the role of supporting, and the pallet and the rollers generate rolling friction, are small in friction force, and enable the pallet not to reduce speed. The numbers of the rollers and the supports can be increased and reduced according to the length of the workbench, and the roller transfer device can guarantee transfer speed of the pallet to be uniform when a plurality of rollers act at the same time, and remains stable simultaneously.