The subject of English linguistics has been the subject of important research for a long time because of its rich phonetic and lexical structure. With the rapid expansion of the social economy and the relentless march of time, all kinds of new things continue to emerge. The pronunciation and vocabulary of English linguistics have also undergone significant modifications. Based on this, this paper will investigate the specific changes in pronunciation and vocabulary in English linguistics from an English linguistics perspective. The goal is to assist people better comprehend and master changes in pronunciation and vocabulary in English linguistics, as well as to have a comprehensive understanding of the development and evolution of English linguistics, in order to create high English literacy and learning and application capacity.