What is the common sense of posting couplets?

The common sense of Spring Festival couplets is as follows:

1, the number of words is equal, and the sentence breaks are consistent: first of all, the first point means that the number of words must be the same, and the sentences in the middle should be broken at the same time.

2. Spring Festival couplets are even and harmonious.

Due to different local customs, the posting time of Spring Festival couplets is different. Some places pay attention to "28 years, decals", and some places pay attention to "24 years, stickers".

4. The number of couplets on Spring Festival couplets is not limited, but they must be equal and the two sides should correspond. The "horizontal batch" in the middle is stuck on the crossbar of the lintel.

The source of Spring Festival couplets is spring stickers. The ancients posted the word "Yichun" more and more at the beginning of spring, and then it gradually developed into Spring Festival couplets, expressing the good wishes of the working people in China to ward off evil spirits and avoid disasters and welcome good luck.