Paper sheet processing device

The utility model discloses a paper sheet processing device relating to the field of cash transaction. The paper sheet processing device includes paper sheet accommodating rooms connected with conveying paths and used for accommodating bank notes. The paper sheet accommodating rooms include a first paper sheet accommodating room connected with a conveying path and including an accommodating part used for accommodating one kind of bank notes; a second paper sheet accommodating room connected with a conveying path and including a plurality of accommodating parts used for accommodating multiple kinds of bank notes, each accommodating part receiving one kind of bank notes; a crown mark recognition part connected with a conveying path, arranged between a recognition part and the paper sheet accommodating rooms and used for recognizing numerical codes on the paper notes; and a storage part connected with the crown mark recognition part used for storing the numerical codes on the bank notes. According to the utility model, the crown mark recognition part can recognize fake bank notes quickly through comparing the numerical codes of the bank notes with numerical codes of the fake bank notes, so that the fake bank note recognition capability of the paper sheet processing device is further enhanced.