Aerosol generation device

Provided is an aerosol generation device including a first housing, a plurality of shutters, and a second housing. The first housing includes a first aperture into which a cigarette is inserted. The plurality of shutters are provided on the first housing to be rotatable about a virtual line extending in a lengthwise direction of the cigarette, and open and close the first aperture. The second housing includes a second aperture that communicates with the first aperture, surrounds an outer circumferential surface of the first housing to be rotatable with respect to the first housing, and slidably contacts the plurality of shutters and rotates the plurality of shutters according to a rotating manipulation by a user.