March 3, the third day of the third month of the lunar calendar, is a traditional festival for the Han nationality and many ethnic minorities. Different regions have different definitions of "March 3", so the names and customs of festivals are naturally quite different. March 3rd is also called Shangsi Festival. This is also a festival to commemorate the Yellow Emperor. According to legend, March 3rd is the birthday of the Yellow Emperor. China has had "On February 2nd, the dragon looked up; I was born in Xuanyuan on March 3rd.
Shangsi Festival was a very lively festival in ancient times. In the Zhou Dynasty, on the fourth day of the third lunar month, people would go to the water to offer sacrifices and bathe with aromatherapy. They think that at this time, the season is changing, Yin Qi has not completely subsided, and people are prone to get sick. Bathing by the water can drive away diseases and disasters and pray for happiness.