[Abstract] This paper focuses on the successful examples of metaphor in the development of modern science, the basic theory of metaphor application, metaphor as the basic method of lateral thinking and its function and role in the scientific field. [Keywords:] metaphor; Scientific method; As a linguistic phenomenon, the metaphor of lateral thinking has long attracted people's interest and attention. As early as ancient Greece, Aristotle expounded metaphor in his two works, Poetics and Rhetoric, which laid a theoretical foundation for the study and exploration of metaphor. Since 1970s, with the turn of western philosophical linguistics and the rise and development of western semiotics and cognitive psychology, the study of metaphor has developed from a single rhetorical level to a multi-level and multi-angle interdisciplinary study of philosophy, psychology, semantics, pragmatics, science and foreign language teaching. Aristotle believes that metaphor is a kind of language means, which expresses the same meaning by replacing another word with one word. It was originally a rhetorical method or technique. And Leikauf &; The Johnson brothers believe that "the essence of metaphor is to understand and experience another thing or experience with one thing or experience." (Leikauf & ampJohnson, 1980. 1) shows that it breaks the definition of traditional rhetorical devices. Metaphor has played an important role in the establishment and development of contemporary science, and has attracted more and more attention from scientists, philosophers and linguists, and has been highly praised, giving it the status of scientific method of metaphor, which is regarded as one of the indispensable basic methods in the development of modern science. If you think it's good, look at this address/article/92/560.html.