The present invention discloses a cash box module of a whole-stack cash dispenser. The cash box module comprises a cash box body, a bill channel and a second bill channel, and a first box shaft, a third box shaft, a fourth box shaft, a fifth box shaft, a sixth box shaft and a seventh box shaft are respectively provided with a first box body cash sending wheel, a third box body cash sending wheel, a cash receiving wheel set, a fourth box body cash receiving wheel, a cash twisting wheel set and a second box body cash sending wheel; the first box body cash sending wheel, the second box body cash sending wheel and the third box body cash sending wheel tightly fit for a cooperation cash sending wheel on a first abdication compaction mechanism, a first boxboard and a second boxboard are fixedly connected through an eighth boxboard near the first box shaft, the eighth boxboard is provided with an eighth boxboard straight slot which allows the first box body to pass through; and the sixth box shaft and the fourth box shaft are respectively provided with a seventh belt wheel and a seventh secondary belt wheel, and a seventh belt is connected between the seventh belt wheel and a seventh secondary belt wheel to form a belt transmission mechanism. The structure is simple, the cash box module of the whole-stack cash dispenser can be freely extended, and the adaptability is high.