What traditional cultural knowledge does the Spring Festival have?

Sweep dust; Post Spring Festival couplets, stick grilles and the word "Fu" upside down; Post new year pictures; Sacrifice ancestors and gods; Eat jiaozi, dumplings, rice cakes, keep old, and give lucky money; Set off firecrackers; Happy new year and so on.

Spring Festival couplets are also called door couplets, spring stickers, couplets, couplets and peach symbols. They depict the background of the times and express good wishes with neat, dual, concise and delicate words, which are unique literary forms in China. Every Spring Festival, no matter in urban or rural areas, every household should choose a pair of red Spring Festival couplets and stick them on the door to add festive atmosphere to the festival.

This custom began in the Song Dynasty and was popular in the Ming Dynasty. By the Qing Dynasty, the ideological and artistic quality of Spring Festival couplets had been greatly improved. Liang Zhangju's monograph Linglian Conghua discusses the origin of couplets and the characteristics of various works.