This paper discusses the type,feature and function of analogical language phenomena in the context of cognitive linguistics.It is considered that analogy is not only a linguistic phenomenon,but also a linguistic mechanism.For example,the deep logic of metaphor is also analogy,and analogy is universal in language.The main types of analogy language are semantic analogy,figurative analogy and structural analogy.The main characteristics are scale,openness,pragmatics and sociality.In terms of function,analogical language mainly has rhetorical function,cognitive function and argumentation function.