Sticking blue and black couplets is something that many people like to do. Refers to the combination of blue couplet background and black couplet text, which is generally used for holiday blessing and celebration. The pasting form of blue and black couplets is simple and clear, which has achieved beautiful and practical results and is deeply loved by people.

Sticking blue and black couplets has rich meanings. Blue represents the sky and the ocean, symbolizing breadth, depth, clarity and tranquility; Black, on the other hand, expresses a steady, calm, solemn and firm attitude. The couplets posted on the door also give people a solemn feeling, showing the host's attention to family and affection.

Sticking blue and black couplets has also become an important part of many traditional cultures and folk festivals. For example, during the Lunar New Year, people will post Spring Festival couplets at their doorsteps to express their blessings. On the Dragon Boat Festival, people will also put couplets with zongzi and carp patterns on the doors to symbolize good luck. Sticking blue and black couplets is not only a decoration, but also a part of people's lives.