To provide a card storage body for storing a large number of various kinds of cards one by one in particularly partitioned storage chambers, facilitating putting-in/out and identification of the cards while being compact and storing other documents other than the cards, together with the cards.

In this card storage body 1 used with a body folded in two, three, or the like, the inner surface of the body is provided with storage folds 3 formed with at least two card storage chambers 4 varied in width by opening/closing the body. The card storage body 1 is further provided with a storage chamber for other long documents or the like together with the card storage chambers 4.