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.
