The custom of pasting couplets.

Spring Festival couplets are also called door couplets. During the Spring Festival, every household will choose a pair of red Spring Festival couplets and stick them on the gate to welcome the arrival of the New Year. In ancient times, Spring Festival couplets were called Fu Tao, because people in ancient times pasted Spring Festival couplets on peach trees on both sides of the gate, hence the word "Fu Tao". In ancient times, people always used Fu Tao to replace New Fu Tao during the Spring Festival. It was not until the Ming Dynasty that Fu Tao was renamed Spring Festival couplets.

There are many kinds of Spring Festival couplets, which can be divided into door heart, frame pair, cross string, spring strip and bucket square according to the place of use. The "door core" is attached to the center of the upper end of the door panel; The "door frame pair" is attached to the left and right door frames; "Cross-dressing" is posted on the crossbar of the door; "Spring strips" are posted in corresponding places according to different contents; "Doodle gold", also known as "door leaf", is a square diamond, which is often attached to windows, furniture and screen walls.

Spring Festival couplets, also known as "Spring Signs", "Door Pairs" and "Couplets", are one of the folk Spring Festival customs in China. It depicts beautiful images and expresses good wishes with neat, concise and exquisite words, which is a unique literary form in China. Sticking Spring Festival couplets is an important symbol for China people to celebrate the Spring Festival.

When people put up couplets at home, it means the official start of the Spring Festival. Every Spring Festival, no matter in urban or rural areas, every household should take off beautiful red couplets and stick them on the doors to bid farewell to the old and welcome the new, thus increasing the festive atmosphere.

Source: Baidu Encyclopedia-Spring Festival couplets