To provide a shock-absorbing board capable of being attached to a side door or an exterior plate of an automobile by a single operation without requiring a special fixing or locking means, and preventing the damage of the exterior plate by a door when the door of a next vehicle opens during parking.

On one surface of a cork board 11, an acrylic foam adsorbing sheet 12 is joined. By the adsorbing force of the acrylic foam adsorbing sheet 12, the shock absorbing board is adsorbed and attached to the door of the automobile by a single operation.