Abstract: The bill device comprises a main part made of an elongated casing. A bill insertion slit is formed at an end portion of a front panel of the casing and a bill conveying passage of an L-shape is provided in the casing and communicates with the bill insertion slit for conveying a bill in the longitudinal direction. A bill discrimination device is provided in a short straight portion of the bill conveying passage nearer to the bill insertion slit and a reciprocating mechanism is provided on one side of a long straight portion of the bill conveying passage for effecting a bill accumulating operation. A bill accumulating box is provided on the other side of the long straight portion of the bill conveying passage for accumulating bills pressed toward it by the reciprocating mechanism.