Provided are a banknote-sorting production line and device thereof for banknote-bundle stamping and code-spraying, comprising a bundle stamping apparatus, a bundle code-spraying apparatus, and a banknote-supporting platform provided with a banknote inlet and a banknote outlet; the bundle stamping apparatus comprises a conveyor belt and a stamping mechanism located above the conveyor belt; the bundle code-spraying apparatus comprises a banknote-pushing mechanism and a code sprayer located directly above the banknote-supporting platform; the side of the banknote-supporting platform that is adjacent to the banknote inlet is provided with a gap matching the shape of the conveyor belt; the outlet end of the conveyor belt extends into the gap; the banknote-pushing mechanism comprises a banknote-pushing plate and a first drive mechanism that drives the banknote-pushing plate by moving reciprocatingly from the banknote-inlet side to the banknote-outlet side.