The couplets, commonly known as “Duilian”, originated in the ancient Chinese folk custom of hanging peachwood charm against evil during the New Year. In terms of genre, couplets are a literary form which can be juxtaposed with poetry, fiction and prose, except that it is a special form with only two lines, so it is also called “two-line literature”. Couplets are a unique literary form in Chinese, with its focus on the neat and balanced form, melodious and harmonious sound, and as well as rich and profound meaning. This course begins with the origin and characteristics of couplets, interesting stories about couplets, folk customs of couplets and scenic spots sticking on couplets to help students appreciate Chinese couplet culture. In people’s daily and social life, couplets, as a form of folk culture, have become a medium for people to express their feelings. For the birth of a child, the success in the imperial examination, the start of a family, and the celebration of an elder's birthday, couplets can be used to express people’s most most sincere and best wishes. In scenic spots and historical sites, couplets, as a cultural phenomenon, are integrated with the beauty of landscape to guide visitors to appreciate the beauty of the higher spiritual connotations in the natural scene. As a cultural treasure of China, the couplets embody the beauty of the meaning, sound and form of Chinese characters. They not only look neat and beautiful but also sound catchy and sonorous. In the form of couplets which is the most distinctive one of Chinese literature and art, Chinese characters show the world the unique charm of Chinese culture.