Financial invoice folding system

The utility model relates to a financial invoice folding system, and belongs to the technical field of financial appliances. The financial invoice folding system comprises a box body and a folding device arranged in the box body, an invoice inlet is formed in one end of the box body, an invoice outlet is formed in the other end of the box body, and the folding device comprises a belt conveying device and a paper folding device. The paper stacking device comprises a bearing plate and a paper supporting plate which are arranged at an interval up and down, the bearing plate and the paper supporting plate are both horizontally arranged, and an invoice channel for invoices clamped by the upper belt and the lower belt to pass through is formed by an interval between the bearing plate and the paper supporting plate; the paper folding device further comprises a paper folding plate, the paper folding plate is a spiral plate, one plate face of the paper folding plate forms an invoice contact surface used for making con