The simple understanding of thunder fire moxibustion is to thicken moxa sticks, which are used by customers with a diameter of 3CM/4CM/5CM/6CM, and are suitable for senior moxibustion people. During moxibustion, the moxibustion point is wider, the firepower is greater and the moxibustion feeling is stronger. The effect of thunder-fire moxibustion mainly depends on the raw materials of Artemisia argyi leaves. As long as it is really pure mugwort leaves instead of whole mugwort leaves with stems and can be preserved for about three years, it is best to use wild pure mugwort leaves, then the effect will be good. A good thunder-fire moxibustion has little smoke after lighting, and will not feel choking, spicy and pungent, and its firepower is very mild.