本文介绍布拉格学派及其代表人物雅各布森的语言“功能说”和“语言学诗学”,以及他们的理论对发展现代文体学的贡献。事实证明,雅各布森等人的理论并未过时,他们所开创的语言学文体学仍有很大影响力,其研究方法体现了文学研究的语言学转向。 This article introduces the language “functional theory” and “linguistic poetics” of the Prague school and its representative Jacobsen and their contribution to the development of modern stylistics. Facts have proved that Jacobson et al’s theory is not out of date, they have created linguistic stylistics still have great influence, and its research methods reflect the linguistic turn of literary studies.