To provide a recording medium housing device capable of ejecting a recording medium without a contact with a winding device even in the case of printing on a rolled recording medium having strong stiffness.

In this recording medium housing device 60, a basket for housing the recording medium after printing is formed into a bag shape so that a depth side is narrower than an ejected paper inlet side outside the winding device, and arranged with an ejection assist member 15 by over-hanging. With this structure, the recording medium after printing can be ejected without a contact with the winding device, and housed.