Provided is a post-processing device including a stacking member on which recording materials sequentially transported are stacked, a pair of discharge sections that nips and transports the recording material stacked on the stacking member, an accommodation section in which the recording materials are stacked and accommodated, and a moving member that moves between a contact position where the moving member comes into contact with the recording material stacked on the stacking member and a non-contact position where the moving member does not come into contact with the recording material, wherein when the recording material is transported to the stacking member, the recording material is supported from a rear surface at the contact position.