2. Ancient people inserted wormwood to prevent diseases.
Dragon Boat Festival is also a "health festival" handed down from ancient times. On this day, people sweep the courtyard, hang mugwort branches, sprinkle realgar wine, drink realgar wine, stir up turbidity, remove rot, sterilize and prevent diseases. These activities also reflect the fine traditions of the Chinese nation. It is a common custom for all ethnic groups in China to collect herbs on the Dragon Boat Festival.
4, wormwood represents Zhao Baifu, is a kind of herbal medicine that can cure diseases. Inserting it at the door can make you healthy. In ancient China, it has always been a medicinal plant. Moxibustion in acupuncture uses wormwood as the main component and burns it at acupoints to treat diseases. The legend that wormwood can exorcise evil spirits has been circulating for a long time, mainly because it has the function of medicine. For example, Zonggu's Chronicle of Jingchu records that "when chickens are not crowing, those who pick wormwood look like people, take it and collect it with moxibustion, which is very effective." On this day, Ai Cai became a human figure, hung on the door, and could cast poison gas. "
Most people also have the custom of planting wormwood before and after the house for good luck. People in Taiwan Province Province also put up "afternoon couplets" on the Dragon Boat Festival, which have the same function as amulets. There is a saying in some afternoon couplets: "Holding a strange love will attract a hundred blessings, and hanging a sword to close the door will kill a thousand evils".