Artemisia argyi, a kind of wormwood, is named after it is produced in qi zhou (formerly called Qichun County). Therefore, moxa sticks are a specialty of Qichun County, Li Shizhen's hometown. There are 17 known compounds in moxa sticks, and the contents of volatile oil, total flavonoids and ignition calorific value are obviously better than those of moxa sticks produced in other regions. The effect of moxa stick moxibustion is far better than that of ordinary moxa sticks.

Artemisia argyi is named after its origin. Folium Artemisiae Argyi is big and thick, and its seven tips are authentic medicinal materials. The plant height of Artemisia argyi can reach more than 2.5 meters. The color of wormwood pounded with wormwood leaves on the Dragon Boat Festival is taupe, and the wormwood pounded at other times is khaki, which is genuine. Artemisia argyi leaves picked in autumn are not suitable for moxibustion. Artemisia argyi was picked around the Dragon Boat Festival, with the highest medicinal value, the best curative effect and the strongest sense of moxibustion.

The medicinal materials are authentic, and the effects of wormwood produced in different places are different. The best producing area of wormwood is Qichun, Hubei, followed by Hubei, Jiangsu, Zhejiang and Henan.