To provide a weighing type powdered medicine subdivision packing apparatus which makes a weight of a powdered medicine to be divided into respective subdivision packs more correct by applying compensation by weighing and which has an inexpensive and simple structure.

The apparatus for dividing a prepared powdered medicine M into a desired number for subdivision packing includes an auto feeder 30 which can dividedly supply a specified weight from the prepared medicine M, a powdered medicine dividing measure 40 to which the medicine of the specified weight is supplied from the auto feeder 30, a dividing measure scale 50 for measuring a weight of the measure 40, and a control unit 60 for calculating a weight of the actually supplied medicine from a detection value of the scale 50 to determine a compensation value based on comparison between the specified weight and the actually supplied weight of the medicine. The apparatus is structured to alternately repeat supplying of the powdered medicine by the specified weight and supplying of the medicine by a compensated specified weight which is obtained by addition/subtraction of the compensation value to/from the specified weight.