本文通过分析语言学与语言教学的关系来阐述外语教师从语言学习研究中的所获 ;学好语言学能增加对语言本质的理解 ;语言教学仍然依赖于直观的翻译 ;语言学的价值是通过增加语言的认知使外语教师更能胜任其职。 This paper analyzes the relationship between linguistics and language teaching to explain the acquisition of foreign language teachers from the study of language learning. Learning linguistics can increase the understanding of the nature of language; language teaching still relies on intuitive translation; the value of linguistics is increased. Cognitive language makes foreign language teachers more competent.