This paper gives a brief account to functional translation theory, probes into its theoretical basis and makes convincing exposition of it by using relevance theory so that it enriches its content.

• 本文简述了功能翻译理论，详细地探讨了该理论的理论基础，并用关联理论予以论证，丰富了它的内容。关键词：功能翻译理论；基础理论；