Couplets, also called couplets, are named after the pillars hung in halls and houses in ancient times. Also called even characters, couplets, couplets and doors. The name "couplets" originated in the Ming Dynasty. It is a kind of dual literature, which originated in Fu Tao, and it is a national style that uses the characteristics of Chinese characters to write. Its wonderful combination with calligraphy has become a colorful artistic creation of the Chinese nation.
After entering the Qing Dynasty, couplets once flourished, and many famous couplets appeared.
With the development of cultural exchanges between countries, couplets have also been introduced to Vietnam, North Korea, Japan, Singapore and other countries. These countries still kept the custom of pasting couplets at the beginning of the 20th century.