The left and right order of pasting couplets is to paste couplets on the right hand side of the gate and to paste couplets on the left hand side; The distinction between upper and lower couplet is mainly based on the tone of the last word, such as upper couplet is (awkward) and lower couplet is (flat); It can also be divided by time, with the first half of the time and the second half of the time.
Couplets, also known as antithesis, antithesis, spring stickers, Spring Festival couplets, couplets, Taofu and couplets (named after the pillars hanging in halls and houses in ancient times), are a kind of dual literature, which originated from Taofu. It is a antithetical sentence written on paper, cloth or engraved on bamboo, wood and columns. It is a unique art form of Chinese, concise and profound, neat and even, with the same number of words and the same structure.