A banknote storing/feeding unit comprising: a tape; a drum which one end of the tape is attached to, and winds and rewinds the banknote together with the tape; a reel which another end of the tape is attached to, and winds and rewinds the tape on and from the drum; wherein the banknote storing/feeding unit stores a banknote transported from the outside, and feeds the stored banknote to the outside; and the banknote storing/feeding unit further comprising: a guide body which has a guide passage that guides the tape to be wound and rewound on and from the drum, and guides the banknote to be wound and rewound together with the tape on and from the drum, wherein the guide body swings according to winding and rewinding of the tape and the banknote on and from the drum between the drum and the reel centering on a supporting point located within a region parallel to a virtual line connecting a rotational center of the drum and a rotational center of the reel, characterised in that the guide body has a contact roller that contacts the banknote wound on the drum, and a downstream side thereof in a winding direction from a contact point between the drum and the tape. a tape; a drum which one end of the tape is attached to, and winds and rewinds the banknote together with the tape; a reel which another end of the tape is attached to, and winds and rewinds the tape on and from the drum; wherein the banknote storing/feeding unit stores a banknote transported from the outside, and feeds the stored banknote to the outside; and the banknote storing/feeding unit further comprising: a guide body which has a guide passage that guides the tape to be wound and rewound on and from the drum, and guides the banknote to be wound and rewound together with the tape on and from the drum, wherein the guide body swings according to winding and rewinding of the tape and the banknote on and from the drum between the drum and the reel centering on a supporting point located within a region parallel to a virtual line connecting a rotational center of the drum and a rotational center of the reel, a drum which one end of the tape is attached to, and winds and rewinds the banknote together with the tape; a reel which another end of the tape is attached to, and winds and rewinds the tape on and from the drum; wherein the banknote storing/feeding unit stores a banknote transported from the outside, and feeds the stored banknote to the outside; and the banknote storing/feeding unit further comprising: a guide body which has a guide passage that guides the tape to be wound and rewound on and from the drum, and guides the banknote to be wound and rewound together with the tape on and from the drum, wherein the guide body swings according to winding and rewinding of the tape and the banknote on and from the drum between the drum and the reel centering on a supporting point located within a region parallel to a virtual line connecting a rotational center of the drum and a rotational center of the reel, characterised in that the guide body has a contact roller that contacts the banknote wound on the drum, and a downstream side thereof in a winding direction from a contact point between the drum and the tape.