What does it mean to hang mugwort leaves before the Dragon Boat Festival?

Hanging mugwort leaves on the door of Dragon Boat Festival can give off fragrance and ward off evil spirits.

Dragon Boat Festival is a folk festival that integrates offering sacrifices to gods and ancestors, praying for evil spirits, celebrating entertainment and eating. The customs mainly include dragon boat rowing, Dragon Boat Festival, herb picking, hanging wormwood, drinking water at noon, washing herbal water, offering sacrifices to gods and ancestors, soaking in dragon boat water, eating dragon boat rice, eating zongzi, putting paper dragons, putting paper kites, tying colorful silk threads and wearing sachets.

As one of the four traditional festivals in China, it not only clearly records the colorful social life and cultural content of our ancestors, but also accumulates profound historical and cultural connotations. Dragon Boat Festival originated from the worship of astronomical phenomena and evolved from the ancient Dragon Boat Festival.

On the midsummer Dragon Boat Festival, the Black Dragon rises to the center of the south for seven nights, just as I ching said, "the flying dragon is in the sky". The ancients held some festive activities, especially dragon-related activities, such as dragon boat racing, to worship the dragon ancestors on the auspicious day of "Flying Dragons to Heaven", or to do some activities to pray for good luck and ward off evil spirits. Dragon Boat Festival is a "dragon festival", and dragon and dragon boat culture run through the historical inheritance of Dragon Boat Festival.