A banknote stacking and tidying module comprising a banknote tidying sub-module, a banknote stacking sub-module, and a banknote pressing and conveying sub-module, wherein the banknote pressing and conveying sub-module comprises: a pressing mechanism comprising a receiving plate, a bracket fixed on the receiving plate, a cam, a pressing rod and a pressing spring, wherein the cam is rotatably mounted on the bracket by means of a first rotating shaft, the pressing rod comprises a pressing end, a driving end and an articulating portion between the pressing end and the driving end, the articulating portion of the pressing rod is articulated on the bracket by means of a second rotating shaft, the cam is cooperated with the driving end of the pressing rod to drive the pressing rod to rotate about the second rotating shaft between a release position and a pressing position, one end of the pressing spring is fixed on the bracket, and the other end of the pressing spring is connected to the pressing end of the pressing rod for applying an elastic force to the pressing rod to press banknotes tightly; a pressing mechanism vertical reciprocating movement unit comprising a slider and a guide bar, wherein the slider is disposed around the guide bar such as to move upwardly and downwardly along the guide bar, the receiving plate is fixedly connected with the slider such as to allow the pressing mechanism to move upwardly and downwardly along the guide bar together with the slider; and a banknote horizontal conveying carriage comprising a receiving surface and at least one banknote pressing arm, and adapted to receive and clamp the banknotes stacked and pressed and to convey the banknotes to a banknote bundling module horizontally. a pressing mechanism comprising a receiving plate, a bracket fixed on the receiving plate, a cam, a pressing rod and a pressing spring, wherein the cam is rotatably mounted on the bracket by means of a first rotating shaft, the pressing rod comprises a pressing end, a driving end and an articulating portion between the pressing end and the driving end, the articulating portion of the pressing rod is articulated on the bracket by means of a second rotating shaft, the cam is cooperated with the driving end of the pressing rod to drive the pressing rod to rotate about the second rotating shaft between a release position and a pressing position, one end of the pressing spring is fixed on the bracket, and the other end of the pressing spring is connected to the pressing end of the pressing rod for applying an elastic force to the pressing rod to press banknotes tightly; a pressing mechanism vertical reciprocating movement unit comprising a slider and a guide bar, wherein the slider is disposed around the guide bar such as to move upwardly and downwardly along the guide bar, the receiving plate is fixedly connected with the slider such as to allow the pressing mechanism to move upwardly and downwardly along the guide bar together with the slider; and a banknote horizontal conveying carriage comprising a receiving surface and at least one banknote pressing arm, and adapted to receive and clamp the banknotes stacked and pressed and to convey the banknotes to a banknote bundling module horizontally.