An aerosol generating device may include a cartridge configured to store an aerosol generating material, and a main body configured to accommodate the cartridge. The cartridge may include a housing that includes an accommodation space that is configured to accommodate the aerosol generating material, and at least one resistance element that passes through the housing in a thickness direction of the housing. The main body may include at least one contact element that is configured to be electrically connected to the at least one resistance element in a case where the cartridge is accommodated in the main body.