Why do you put lime in the corner during the Dragon Boat Festival?

No matter how different people explain that May is an evil month, it is a common practice all over the country to regard May as an evil month and use established activities to ward off evil spirits and drive away drugs during the Dragon Boat Festival. In Zhejiang, lime and realgar wine are also sprinkled between walls to prevent insects from lurking.

In ancient people's minds, May, when the Dragon Boat Festival was held, was regarded as a "bad month", while the Dragon Boat Festival was regarded as a "Five Poisons Day". As for why the Dragon Boat Festival is the Five Poisons Day, there is the following explanation in the Gaiping County Annals published during the period of Fengtian Tongzhi in the 23rd year of the Republic of China: "Gai May belongs to the noon, the fifth day is the Dragon Boat Festival, and the second noon belongs to the prosperous phase, and if it is too prosperous, it will be poisonous ..." And Xinmin, Liaoning Province thinks that this day is the lower bound of the plague god.

Some people say that five poisons such as snakes, centipedes, scorpions, geckos and toads come out to harm people on this day.

Some scholars believe that "May 5th" is the so-called Dragon Boat Festival. At the turning point of late spring and early summer, it is still cold and warm, all kinds of insects are ready to move, and diseases and epidemics are prevalent. During the Dragon Boat Festival, some plagues and disasters may occur in some areas and tribes. Memories, legends and superstitions about pain and fear lead to and expand the scope of taboos, traditions and customs. "