Disclosed is a hopper (1) comprising a path (1a) through which medicines can pass downwardly, wherein, when an external force (X) is applied, a rippling vibration is generated on the inner surface (1b). With this structure, the rippling vibration is applied as a force to detach medicine (M) from the inner surface (1b) of the hopper (1). Therefore, medicine does not easily attach to the hopper (1).
