An aerosol generating device comprises a housing forming an external shape of the aerosol generating device and having a sound emission hole, an accommodation portion configured to accommodate a cigarette through a hole formed on one side of the housing, a heater configured to heat the cigarette accommodated in the accommodation portion, a memory storing sound data, a sound output unit configured to output the sound data, and a controller configured to transmit the sound data stored in the memory to the sound output unit.