The invention provides a hot wheel bill stacking device. The hot wheel bill stacking device comprises a power pinch wheel set, a hot wheel, a bill stacking plate, a conveying channel and a floating wheel, wherein the power pinch wheel set is arranged at an inlet of the hot wheel bill stacking device, comprises a transmission belt wheel and a conveying belt which is sleeved on the transmission belt wheel, and is used for inputting or outputting paper money; the hot wheel is erected on an installation side plate through a rotary shaft, is linked with the power pinch wheel set, and is used for conveying the paper money in a mode of rotating at high speed while carrying the paper money; the bill stacking plate is positioned below the hot wheel and is used for stacking bills; the conveying channel consists of an upper channel plate and a lower channel plate and is used for providing a path for paper money transmission; the floating wheel is arranged above the power pinch wheel set and is tangential to the transmission belt wheel; a tangential line formed by the transmission belt wheel and the floating wheel is parallel to the linked tail end plane between the conveying channel and the hot wheel and is tangential to a root base circle of the hot wheel.