As early as in ancient China, wormwood is an important medicinal plant, which has a special smell, good anthelmintic effect, pungent and warm nature, can purify the air and has the function of aromatic resuscitation. Chinese medicine often uses mugwort leaf or moxa stick as acupuncture or fumigation, which can dredge the whole body's qi and blood, enhance immunity, dispel wind and remove dampness, promote blood circulation and remove blood stasis. In addition, soaking feet with dried wormwood can dispel dampness and drive away cold.
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Artemisia argyi is a medicinal plant. Its leaves are bitter, slightly warm and non-toxic. It has the effects of warming qi and blood, dispelling cold and dampness, and avoiding filth with fragrance. It is said that there is a folk custom of "hanging Ai people, wearing, drinking Ai wine, eating Ai cake and smoking". Some people still hang wormwood in halls, bedside and other places.
During the Dragon Boat Festival, the air is moist and the mugwort leaves are fragrant, which can remove toxic gases, remove dirt, purify the air, keep the room clean and sanitary, and play a role in disinfection and disease prevention. There is a saying among the people: wormwood can cure all diseases and bring blessings. Hanging on the door can get rid of all kinds of poisons and make people healthy. Therefore, the ancients said that "Ai" can "ward off evil spirits". So far, there is a saying that "the family has Ai for three years, and the doctor doesn't have to come."
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