AEROSOL GENERATION DEVICE AND AEROSOL GENERATION SYSTEM

An aerosol generation device including: an accommodating portion accommodating an aerosol-forming product; a lid portion disposed in an opening of the accommodating portion; a microwave oscillation unit; a power supply unit; an antenna that supplies the microwave to the accommodating portion; and a control unit, in which the accommodating portion includes a first microwave shield, the lid portion includes a second microwave shield, the first microwave shield and the second microwave shield form an applicator that confines the microwave, the applicator transitions between a blocking state in which propagation of the microwave from the applicator to the outside is restricted and a non-blocking state in which propagation of the microwave from the applicator to the outside is enabled, according to a position of the lid portion, and the control unit prohibits supply of the microwave from the microwave oscillation unit according to the position of the lid portion.