The 21th century witnesses three approaches to metrical pattern of neo-poetry,one is free poetry theory of no metrical pattern, one is general theory of ancient and contemporary through study of classical poetry and revelation of their common rules, and one is borrowing of western poetry rules.

Poetic rhythms of New Metrical Poetry are the regular arrangement of time units of the same sound intervals,which comprise several levels: the most basic rhythmical unit is sound caesura and semantic caesura.

With the purpose of restructuring metrical patterns of New Poetry,this paper addresses such problems concerned as "the rectification of the name","standardizing the terms","establishing typical poetic lines","defining major normal forms" and "the pedigree of new metrical poetry".

The evolution of new metrical poems can be summarized in five numbers, viz.