What does it mean to hang wormwood on Dragon Boat Festival?

Wormwood represents a hundred blessings and 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, Jing Zong's Chronicle of Jingchu records that "before the cock crows, the person who picks wormwood looks like a human being, and it is very effective to take it and collect it with moxibustion." This is the day when Ai Cai hangs on the door in human form. He can put poison gas. "Most people also have the custom of planting wormwood before and after the house for good luck. In rural areas, there is a saying that "Tomb-Sweeping Day plants willows, while the Dragon Boat Festival plants wormwood", which means that Tomb-Sweeping Day plants willows at the door, while the Dragon Boat Festival plants wormwood and Yingpu at the door. Artemisia argyi is very common in rural areas. Its stems and leaves contain volatile aromatic oils. Its unique smell can not only repel mosquitoes and flies, but also purify the air, and it is still a traditional Chinese medicine.

Yingpu is a perennial aquatic herb with long and narrow leaves. Like wormwood, Yingpu also contains volatile aromatic oil, which has insecticidal and bactericidal effects. After the Dragon Boat Festival, the weather will get hotter and hotter, and the rainfall will become more and more frequent. In the environment of high temperature and high humidity, pests and germs breed, so in order to avoid the adverse effects of pests and germs on human body, people will hang wormwood and grass beds in front of doors and windows to drive away mosquitoes and flies, sterilize and prevent diseases.

Hanging wormwood on the Dragon Boat Festival is more particular. In rural areas, there is a saying that wormwood is not hung on the Dragon Boat Festival. First, don't hang wormwood after sun exposure. The Dragon Boat Festival is in the midsummer, and it is the time when herbs have the strongest medicinal properties. People say that wormwood exposed to the sun can't be hung up because its medicinal properties become less strong after being exposed to the sun. Therefore, in order to make wormwood have more medicinal value, the more obvious the effect of repelling mosquitoes and flies, people usually pick it on the mountain in the early days of Dragon Boat Festival.