Abstract
Metaphor is not the patent in rhetoric field, but extends to linguistics and cognitive psychology. This paper explores the metaphor from a brand new perspective of cognition. It begins with the cognitive basis of metaphor, and then has a tentative approach to the relationship between metaphor and cognition from different angels such as metaphor and cognitive model; metaphor and mental perception, also the influence of metaphor on the society.The author finally discusses the acquisition of metaphor.