Industrial and educational combination is the main channel to cultivate talents of vocational undergraduate majors, while project-based learning is a good teaching tool to meet the demand of professionalism. This paper focuses on English teaching in vocational undergraduates’ education, focusing on the optimization of the industry-education integration mode, analysing the main problems existing in the industry-education integration mode at present, such as the uncoordinated goal, separated information, and suboptimal processes, as well as the directions for improvement in three aspects of modeling reform, content enrichment, and mechanism optimization. The purpose of which is to enhance the close connection between English teaching and jobs. improve students’ comprehensive application abilities of vocational English; provide reference ideas for innovation of vocational undergraduate English teaching.