1, Dragon Boat Festival, also known as Duanyang Festival, Dragon Boat Festival, Mid-Autumn Festival, Dragon Boat Festival, Zhengyang Festival and Tianzhong Festival. , is a traditional folk festival in China. The customs of Dragon Boat Festival mainly include dragon boat picking, Dragon Boat Festival, herb picking, hanging wormwood, calamus, worshipping ancestors, washing herbal water, drinking water at noon, soaking in dragon boats, eating zongzi, flying kites, tying colorful silk thread, smoking Atractylodes rhizome and wearing sachets. In addition, there are customs such as eating zongzi, salted duck eggs and cucumbers during the Dragon Boat Festival.

The custom of drinking realgar wine on Dragon Boat Festival is very popular in the Yangtze River valley. The so-called realgar wine refers to white wine or yellow wine brewed with realgar ground into powder. In ancient times, people thought that drinking realgar wine could ward off evil spirits and detoxify. In addition, there is a custom of eating "Huang Wu" on the Dragon Boat Festival in Jiangsu and Zhejiang provinces. Huang Wu refers to yellow croaker, cucumber, Monopterus albus, duck egg yolk and realgar wine (realgar wine is toxic, and ordinary rice wine is generally used instead of realgar wine).