A pallet is configured to be stackable in a plurality of stages. The pallet includes a bottom plate, a top plate on which an object to be packed is placed, a leg member, and a sidewall member. The leg member connects the bottom plate and the top plate and is disposed along the outer edges of the bottom plate and the top plate. The sidewall member are vertically installed along the outer edge of the top plate and are formed with a connection hole to be used in a connection of an outside packing case that covers the object to be packed. When the pallet is stacked on a top plate of another pallet the leg member is provided with an engagement portion that is disposed in correspondence to a connection hole of a sidewall member of the other pallet.