Why do you want to hang a plant on the gate of Dragon Boat Festival?

There are many plants to be placed on the Dragon Boat Festival, such as mugwort, calamus and banyan. , are used to ward off evil spirits.

On the Dragon Boat Festival, every household hangs calamus, so the Dragon Boat Festival is also called Pujie, which is named after the plant calamus.

Therefore, some places will insert mugwort leaves and calamus, hang mugwort leaves and insert banyan branches. In fact, Artemisia argyi and Artemisia argyi are not the same plant, but are different according to local customs. The function is to exorcise evil spirits and avoid disasters. Here's an example:

Acorus calamus is the first of the five auspicious symbols in the sky, except for the ominous sword. Because the growing season and shape are regarded as "the breath of a hundred yin", the leaves are sword-shaped and can be inserted at the door to ward off evil spirits. Therefore, the alchemist called it "water sword", and later the custom extended to "general sword", which can cut off all evil.