Pailu refers to a Classical Chinese

Classical Chinese

Classical Chinese or Literary Chinese is a traditional style of written Chinese based on the grammar and vocabulary of ancient Chinese, making it different from any modern spoken form of Chinese...

 verse form

Shi

Shi may refer to:* Shi , the Chinese term for poetry * Shi , a ceremonial "corpse" in Chinese ancestral sacrifices* Shi , a kana in Japanese syllabaries...

 of the regulated verse

Regulated verse

Regulated verse, also known as Jintishi is a development within Classical Chinese poetry of the shi main formal type. Regulated verse is one of the most important of all Classical Chinese poetry types...

 (jintishi) type: the rules and regulations of the pailu allow for a poem composed of a series of linked couplets, with no maximum upward limit such as the five, six, or seven character lushi have. The pailu form seems to have first developed as part of the movement known as Tang poetry

Tang poetry

Tang poetry refers to poetry written in or around the time of and in the characteristic style of China's Tang dynasty, and/or follows a certain style, often considered as the Golden Age of Chinese poetry...

(after 618 CE).

Pailu is one of the top main types of Classical Chinese poetry in terms of formal classification; and, although not, perhaps, the most common or popular verse form, its existence is not able to be ignored: in fact, pailu is one of the standard verse forms of this important branch of poetry.