The quality of mugwort mainly depends on the raw materials of mugwort leaves. As long as it is really pure mugwort leaves instead of whole mugwort leaves with stems and can be stored for about three years instead of new mugwort leaves of that year, it is best to use wild pure mugwort leaves, then the effect will be good. Good moxa sticks have little smoke after being lit, and there will be no choking and pungent feeling, and there will be no hot feeling during moxibustion, and the penetration is also strong.