To provide an aroma diffusing device and a method of controlling an aroma diffusing device that can enable a plurality of functions to be achieved by operation inputs to one operation input part.
Provided is an aroma diffusing device including: a perfume holding part in which a perfume is held; an air blowing source configured to supply air to the perfume holding part; an aroma discharge part through which the air having passed through the perfume holding part is discharged; an operation input part on which an operation input for the air blowing source is performed by a user; and an air blowing source control part configured to control a supply state of the air on the basis of an operation input on the one operation input part.