Why do you put calamus swords on the door during the Dragon Boat Festival?

Inserting calamus at the door of the Dragon Boat Festival is not only the effect of exorcism in folklore, but also the effect of disease prevention.

Acorus calamus is a perennial aquatic herb, and its long and narrow leaves also contain volatile aromatic oil, which is a good medicine for refreshing, strengthening bones, eliminating stagnation, killing insects and sterilizing.

Acorus calamus is a flower representing the spirit of Dragon Boat Festival. During the Dragon Boat Festival, every household has the custom of inserting calamus and mugwort leaves on the door, which can ward off evil spirits and drive away illness. With its straight leaves, it shows the coolness of early summer. Folium Artemisiae Argyi and Rhizoma Acori Graminei have certain disease prevention effects.

Extended data:

Precautions for sticking calamus sword on Dragon Boat Festival:

1, calamus is inserted or hung on the door during the Dragon Boat Festival.

Acorus calamus (common construction), banyan trees and Acorus calamus are usually tied into a bundle with red paper and then inserted or hung on the door. Because Acorus calamus is the first of the five auspicious symbols in the sky, it symbolizes the ominous sword, because the season and shape of growth are regarded as the gods who feel all kinds of yin, and the leaves are sword-shaped, so it can avoid evil when inserted at the door.

2. During the Dragon Boat Festival, Acorus calamus and Folium Artemisiae Argyi are tied up with red lines and inserted on the lintel.

Acorus calamus and Artemisia argyi are easy to survive. In a village in Longbo Town, Shuangpai County, many families scatter a handful of seeds in front of their houses and collect them during the Dragon Boat Festival. You can insert red cloth strips or red lines tied together with Acorus calamus and Folium Artemisiae Argyi on the lintel to drive away the intrusion of mosquitoes and other pests.