Abstract: As a branch of linguistics, cognitive linguistics is a comprehensive cultural discipline aimed at cultivating the talent of language learning, including theories of linguistics, psychology and artificial intelligence. The basic knowledge of vocabulary building, the theory of vocabulary prototype and the knowledge of language formation, which the subject focuses on, are of great enlightening significance in the process of college English vocabulary teaching. By analyzing the obstacles that students encounter in the process of learning vocabulary and combining with the analysis of the effective theoretical significance of cognitive linguistics, this paper proposes the teaching and application skills of English vocabulary from the perspective of cognitive linguistics, hoping to provide certain reference and reference for the practice of cognitive linguistics theory in English vocabulary teaching.

Key words: Cognitive linguistics, Vocabulary teaching, Learn the key