1. General couplets-Spring Festival couplets 2. Special couplets-tea couplets, birthday couplets, wedding couplets, elegiac couplets, industry couplets, motto couplets, gift couplets and thank-you couplets.

Classified by word number

1. Short link (within the cross) 2. Zhonglian (within 100 words) 3. Long couplet (/kloc-more than 0/00 words) and so on.

Classified by rhetorical skills

1. Duality: word right, object right, right right, opposition, work right, width right, flow right, palindrome right, top right. 2. Rhetoric couplets: metaphor, exaggeration, backchat, pun, rhetorical question and homophonic. 3. Skill association: embedded words, hidden words, compound words, overlapping words, radicals, word analysis, word splitting and numbers.

According to the source of conjunctions

1. Sentence couplet: a couplet composed entirely of ready-made sentences in ancient poetry. 2. Couplets composed of ancient Copybook for calligraphy articles and characters. 3. Sentence-picking couplets: Couplets made by picking antithetical sentences directly from other people's poems. 4. Create couplets: couplets independently created by the author. Types of couplets 1. Festival couplets: refers to couplets with specific timeliness or commemoration, and the contents are mostly general chanting, lyricism, discussion and wishes. Strictly speaking, it can be divided into festival couplets and season couplets, but since they are often integrated, this distinction has no practical significance. Generally speaking, couplets can be directly divided into Spring Festival couplets, New Year's Day couplets and National Day couplets. In the Spring Festival couplets, the most important thing is the Spring Festival couplets. The so-called Spring Festival couplets are seasonal couplets used in the Spring Festival. Most Spring Festival couplets can be used universally. 2. Festive couplets: also known as greeting couplets, refer to couplets with a certain congratulatory nature in addition to holiday celebrations. According to its content and object, it can be divided into several subcategories, such as wedding couplets, birthday couplets, new house couplets (housewarming couplets) and so on. The outstanding feature of festive couplets is that they have a certain festive and congratulatory nature, and their contents must be good wishes, celebrations and auspiciousness. There are universal and special holiday couplets. Whether it is universal depends on the alliance, and it is not easy to copy, so as not to make jokes. 3. elegiac couplet: also known as elegiac couplet, it refers to the couplet used to mourn the dead. Its content is limited to mourning, remembering, evaluating and wishing the deceased, and its style is generally sad, solemn, deep and solemn. Others write elegiac couplets for the dead, or write elegiac couplets for themselves, which is another matter. The elegiac couplets can be divided from many angles, including old couplets, middle-aged couplets and youth couplets, as well as elder couplets, peer couplets and younger couplets. In addition, it can be divided into famous couplets and self-mourning couplets, and sacrificial couplets can also be regarded as a subclass of mourning couplets. The content of elegiac couplet generally refers to more specific objects, although there are also general objects and special objects, but in practice, we should pay more attention to the distinction. 4. Scenic couplets: refers to couplets posted, hung and carved at scenic spots. Most of its contents are engraved with scenic spots (such as landscapes and cultural relics). ) or closely related to it (related people, things, etc. Such couplets often become an important part of scenic spots and even history and culture. The combination of scenic spots and historical sites can be divided into several sub-categories, such as landscape gardens, temples and temples, pavilions, houses and halls, monuments and tombs, etc. 5. Industry couplets: refers to couplets whose contents are aimed at a certain industry, department or field. Due to the changes of the times, the application of couplets in the industry is not as good as before, but it is still considerable. Judging from its scope of application and content characteristics, it is still a major category of couplets. Trade associations can be subdivided according to industries and departments. 6. Inscription of couplets: refers to couplets inscribed to others. Although many couplets have been given a certain title, the title couplets mentioned here are limited to interpersonal (or yearning) works, excluding elegiac couplets and congratulatory couplets. Its content generally has a certain nature of praise, wishes and encouragement. From the perspective of the application of couplets, title couplets can be regarded as a big category. According to the different objects of the questions, the questions can generally be divided into several small categories, such as questions, questions, and questions. 7. Miscellaneous couplets: refers to couplets with a wide range of contents without specific objects. This kind of couplets often have simple literary creation characteristics, such as philosophical couplets, lyric couplets, persuasion couplets and so on. 8. Academic couplets: refers to couplets with certain academic nature. This academic nature refers to the specialty that does not belong to the above categories in content and use. Its content is often specialized, with certain disciplinary or religious characteristics, such as popular science association, Buddhist association, Taoist association and so on. From the application scope and development space of couplets, it is necessary to regard academic couplets as a separate category. For example, in the book "A Collection of Touching Smells-1200 Buddhist Couplets" written by the author, many Buddhist figures and Buddhist teachings are systematically written into an academic monograph in the form of couplets. By extension, many scientific knowledge or other learning principles can also be written as couplets, highlighting its academic or professional nature in content. 9. Funny couplets: refer to couplets that highlight interest or skills and pay relatively little attention to content. For example, various humorous associations and skill associations. The content of this kind of couplets either highlights the uniqueness of a certain style (humorous couplets) or is relatively unimportant (technical couplets), making it unique. In this sense, it can be regarded as a single category.