PROBLEM TO BE SOLVED: To provide a mechanism in which powders can be supplied to plural powder holding parts from a single powder supply port.SOLUTION: A medicine supply device comprises a first powder holding part and a second powder part to a powder supply part for a powder supply port. When one powder holding part of the first and second powder holding parts rotates and moves to a path where powders to be supplied to the powder supply port are supplied from the powder supply port, the other powder holding part rotates and moves to a position where powders are not supplied from the powder supply port.SELECTED DRAWING: Figure 9