The origin and custom of March 3rd.

There are many origins of March 3, among which the most famous are folk activities (boiled eggs with shepherd's purse) and nursery rhymes (Ghost Festival). Customs include setting off fireworks, eating colorful glutinous rice, throwing hydrangeas, eating shepherd's purse and boiling eggs.

Folk activities (boiled eggs with shepherd's purse), on the third day of the third lunar month, Han people have the custom of eating boiled eggs with shepherd's purse. There is a folk proverb: "On the third of March, Lai Cai is a panacea", which is popular in Taiwan Province Province, Fujian and other southern regions.

Nursery rhymes (Ghost Festival) is called Ghost Festival on March 3rd every year. They are popular in Jianghuai and Jiangnan areas. On this day, people will set off firecrackers to scare away children, and there is a nursery rhyme: "On March 3rd, children threw blue bricks". Extended data:

The third day of March, also known as Shangsi Festival, is the third day of the third month of the lunar calendar and a traditional festival of the Chinese nation, among which the most typical ethnic groups are Han, Yao, Zhuang and Miao. On March 3rd, different regions have different customs, such as going to Qingge Festival, worshiping Pangu, ancestor of Zhuang nationality, ancestor of Buluotuo, catching up with singing parties, setting up a singing studio and so on.

The following content is for reference: Baidu Encyclopedia-March 3rd.