A preparation task for medicine, which must be manually prepared in advance, is efficiently performed without error. A medicine supply device includes: a medicine supply means having a plurality of medicine receiving portions, the medicine supply means being configured to receive a medicine per a dosing time and appropriately discharge the received medicine; a display means including a plurality of display portions, the display portions being provided in association with the medicine receiving portions respectively; and a display control means configured to allow the display portion of the medicine receiving portion, which receives a corresponding medicine among the medicine receiving portions, to operate based on a prescription data. The display portion of the display means is configured to display a number corresponding to the dosing time of each medicine included in the prescription data.