To provide a hair dryer which effectively utilizes the space inside the main body of the hair dryer, has an increased amount of ventilation, is excellent in design, a packing property and portability, and is used in various ways, for example, used while putting a perfume in a housing case according to the preference of a user.

The hair dryer includes a main body 10 which has a suction inlet 2 at one end and an air discharge port 3 at the other end and incorporates a main body housing 4 equipped with a heat source 12, a fan 13 and a motor 14 for driving the fan, and a handle 30 foldably connected to the rear end part of the main body 10, wherein freely detachably formed hollow cylindrical cases 20 are respectively housed in gap parts formed between the main body housing 4 and the inner peripheral surface of the main body 10.