Aerosol-generating device and microwave heating assembly thereof

A microwave heating assembly for an aerosol-generating device, the microwave heating assembly comprising:

• an outer conductor unit in a cylindrical shape and comprising an open end, a closed end opposite the open end, and a cavity located between the open end and the closed end;
• an inner conductor unit arranged in the cavity, one end of the inner conductor being connected to an end wall of the closed end, and an other end of the inner conductor unit extending toward the open end;
• and
• a microwave feed unit, comprising:
• an outer conductor mounted on the outer conductor unit and in ohmic contact with the outer conductor unit, and
• an inner conductor arranged in the outer conductor and comprising a feed end extending into the cavity so as to feed microwaves,
• wherein an insertion hole is provided on an inner side of the outer conductor unit or on the inner conductor unit, the feed end extending into the insertion hole.