To certainly pay out a card by engaging with one sheet of card even if camber of the card is a convex upward and a convex a downward.

The card conveying device is provided with a card retaining means for superposing/retaining a plurality of cards; and a card conveying means for paying out the cards from the card retaining means every one sheet and conveying them to a desired position along a conveying surface. The card conveying means has an engagement part engaged with an end surface of the card positioned at the lowermost stage of the cards superposed/retained by the card retaining means; and a drive means for reciprocating the engagement part between a first upstream position side and a second downstream position along the card conveying direction. An inclination surface upwardly inclined according to the maximum allowance warpage in a short direction of the card as it approaches to the first position is provided on the conveying surface near the engagement part.