The invention provides an accounting bill holder, comprising a frame body, a guide rail and a clamping device, wherein the frame body is provided with a bottom plate, a front plate vertically arrangedat a left end of the bottom plate, and a pair of side plates vertically arranged at two sides of the bottom plate; the guide rail is fixedly arranged at a right end of the bottom plate; and the clamping device is provided with a sliding seat and a pressing plate, wherein the sliding seat is clamped on the guide rail and can move back and forth along the guide rail, and the pressing plate is fixedat a left end of the sliding seat and is located between the pair of side plates. The pressing plate, the pair of side plates, the bottom plate and the front plate define a holding cavity for holdinga plurality of bills. The accounting bill holder provided by the invention can reliably hold the bills in the holding cavity to make the bills be less prone to be scattered and more conveniently foran accountant to organize and store.