The couplet is the unique cultural heritage of Chinese civilization, and it is the carrier of the essence of Chinese literature that covers all kinds of affection in two squares. The couplets are Opposite tone、Same part of speech、Close in meaning、and the creation of the content is ingenious and is loved by the Chinese people. Writing a good couplet often makes many great writers rack their brains and Find ways. According to legend, on the wedding night of Song Dynasty talent Qin Shaoyou and Su Xiaomei ，Su Xiaomei is the sister of the great writer Su Dongpo, Su Xiaomei asked three difficult questions to test the groom, two of which were easily passed by Qin Shaoyou, but the last question could not be solved. Su Xiaomei wrote the first part of the couplet is: Close the door, the window also obscures the moon. later, Qin Shaoyou  wrote the next part of the couplet with the help of Su Dongpo：Throw a stone into the water to open the reflection of the sky in water. Because the second part of the couplet was well written, he was able to enter the bridal room.

      Couplets are usually hung on the left and right sides of the gate, Such as the entrance of the main hall, the entrance of the ancestral temple, the entrance of the house, the entrance of the study, the front pillar of the garden pavilion. What’s especially interesting is that every Chinese New Year’s Eve, the old couplet will be replaced with a new couplet, which means that the new year is going smoothly and everything good lucky.

       對聯是中華文明的獨特文化遺產，是兩塊方寸地涵蓋萬般情意的中華文學精華的載體。對聯以平仄相對、詞性相同、對仗工整、內容有物的創作難度而受中國百姓喜愛。寫一幅好的對聯往往使許多大文豪絞盡腦汁，搜索枯腸。相傳宋朝才俊秦少遊娶大文豪蘇東坡的妹妹蘇小妹的新婚之夜，蘇小妹出了三道難題考驗新郎，其中兩道難題秦少遊很容易就過關了，唯獨最後一題遲遲解決不了，蘇小妹的上聯是：閉門推出窗前月。後來，秦少遊在蘇東坡的幫助下才對出下聯：投石沖開水底天。由於下聯對得出色才得以進入新房。

      對聯通常掛在大門口左右兩旁，例如大殿門口、祠堂門口、家門口、書齋門口、花園亭榭的正面柱子。特別有趣的是中國每逢過年前夕都要將新的對聯換上新的對聯，以求來年好運、萬丈更新。