Abstract: With the development of society and the need of expression,many new words appeared in language.This article first takes the cluster of "Xling" as an example,and analyzes the inner mechanism of its existence.Metonymy is the main cognitive manner of its existence.Next,it asks why metonymy can be used as a mechanism in the production of "X-ling" cluster,and what the detail progresses are.We interpret it by means of "Impartment and Inherence of Connotation and Denotation" theory.This article aims to supply a ne...