2. wormwood is a perennial herb, which is closely related to the life of our people. Every Dragon Boat Festival, people always put wormwood at home to ward off evil spirits and soak withered stems in water to disinfect and relieve itching. Mothers often bathe or fumigate with wormwood. Wormwood is bitter, pungent and warm, and enters the spleen, liver and kidney. According to Compendium of Materia Medica, Folium Artemisiae Argyi is used as medicine, which is warm in nature, bitter in taste, non-toxic, pure in yang, and can activate the twelve meridians, restore yang, regulate qi and blood, dispel dampness and dispel cold, stop bleeding and prevent miscarriage. It is also commonly used in acupuncture and moxibustion. Therefore, it is also called "herbal medicine". At present, the popular "herbal bath" in Taiwan Province Province mostly uses wormwood. It can also be used as "moxibustion" and as a dye in acupuncture.