Fuente: WIPO "tomato" This aerosol generation device comprises: a heat insulation member arranged outside a housing space for housing at least a portion of an aerosol generation article that includes an aerosol source; an oscillation part for oscillating electromagnetic waves; and an antenna for supplying the electromagnetic waves oscillated by the oscillation part to the housing space. The heat insulation member is formed of a first member and a second member that are arranged across a gap, and the gap between the first member and the second member is sealed in a vacuum state or sealed with a gas therein.