There is provided a distributed medicine supplying device, which allows medicines to be distributed at a time relative to a plurality of prescription data and to be distributed appropriately in response to various types of requests. The distributed medicine supplying device includes: a receiving means 7 for receiving a prescription data; a storing means 8 for storing an assignment condition for a medicine to be accommodated in each of measures 4 of a tray 5; a position determining means 10 for determining a position of the medicine to be distributed to each of the measures 4 of the tray 5 in accordance with the assignment condition stored in the storing means 8 based on the prescription data 12 sequentially received by the receiving means 7; and a displaying means 9 for displaying the distribution position determined by the position determining means 10.