Moxibustion cylinder

The utility model relates to a moxibustion cylinder which comprises an upper shell, a middle frame, a base, a mounting cylinder and a smoke filtering assembly. The middle of the base protrudes to form a boss with two open ends, the boss is movably sleeved with the middle frame, a first filter layer is arranged in the boss, a plurality of exhaust holes are formed in the side wall of the bottom of the boss, an annular groove is formed in the upper end face of the middle frame, the mounting cylinder is detachably connected into the annular groove, and the smoke filtering assembly is arranged in the upper shell and covers the ventilation opening. Smoke is filtered by the first filter layer and then acts on the skin of a user through the through hole in the middle of the boss, redundant smoke after action is discharged through the exhaust hole in the boss, and smoke above the compressed moxa is filtered by the filter element assembly and then discharged through the ventilation opening. If the temperature is too hi