The extreme cold is called severe cold. " Extremely cold. This festival is in the period of March 9 and April 9. At this time, cold waves frequently move south, which is the coldest period of the year. As the folk saying goes, "Little cold and big cold, no wind and cold.".
The severe cold is at the end of the year. Winter goes to spring. Once the severe cold passes, a new cycle begins. In some parts of our country, there are many important folk customs during the period from the cold to the beginning of spring, such as cleaning up the old, making new clothes, making cured meat, and sacrificing stoves and tail teeth. The tail tooth sacrifice, also known as "making teeth", "making teeth sacrifice", etc., is a folk custom that the whole family sit together to "eat tail teeth" after the tooth sacrifice.
