Abstract: A cooling assembly and a heat-not-burn cartridge are provided. The cooling assembly includes a cooling member, a first closing member, and a second closing member. The cooling member has a first end and a second end opposite to the first end, and defines a cooling passage penetrating through the first end and the second end. The first closing member is fixed to the first end. The first closing member defines at least one first through-hole. The at least one first through-hole is in communication with the cooling passage. The second closing member is fixed to the second end. The second closing member defines at least one second through-hole. The at least one second through-hole is in communication with the cooling passage.

Abstract: A method for assembling a cartridge is provided. The method for assembling the cartridge includes the following. Multiple outer tubes are provided, where each of the multiple outer tubes has a sealing portion at a first end of a corresponding outer tube. Tobacco is loaded from a second end of the outer tube, where the second end is opposite to the first end. A closed end of a cooling tube is identified, and the cooling tube is mounted into the outer tube from the second end to make the closed end adjacent to the tobacco, where the cooling tube has the closed end and an open end opposite to the closed end. A filter member is mounted into the outer tube from the second end to make the filter member adjacent to the cooling tube.

Abstract: A filter assembly and a cartridge are provided. The filter assembly includes a filter member and a functional member. The filter member defines a receiving space in a radial direction of the filter member. The functional member is fixed in the receiving space. The filter member is in contact with part of an outer surface of the functional member.