What holiday custom is it to insert mugwort leaves?

As one of the traditional festivals in China, the Dragon Boat Festival is rich in folk customs. Besides eating zongzi and racing dragon boats, there are many customs in China, such as inserting mugwort leaves, hanging calamus, wearing sachets, taking medicinal baths and drinking medicinal liquor. Inserting mugwort leaves is the Dragon Boat Festival. There is a folk proverb that says, "Willows are inserted in Qingming Festival, and Ai is inserted in Dragon Boat Festival". On the Dragon Boat Festival, people regard inserting wormwood and calamus as one of the important contents. Every family sweeps the court, puts calamus and moxa sticks between their eyebrows and hangs them in the class.

As the Dragon Boat Festival is in the early summer season, the weather is getting hotter, the rain is gradually increasing, mosquitoes breed, and bacteria and viruses multiply rapidly, which is easy to induce the spread of plague diseases. Therefore, the ancients believed that the Dragon Boat Festival should be clean and natural, to ward off evil spirits and eliminate disasters. Chinese medicines such as Folium Artemisiae Argyi, Rhizoma Acori Graminei, Realgar, etc. It can avoid toxic pathogens and prevent plague, and is highly valued and utilized by people because of its medicinal effects.