Using mind mapping to teach English vocabulary can enhance students’ vocabulary memory and application, making learning more interesting and effective, and improving students’ self-learning abilities. The purpose of the study is to examine the use of mind-map based lessons in teaching English vocabulary to non-English major students at Hanoi Architecture University.Using mind mapping to teach English vocabulary can enhance students’ vocabulary memory and application, making learning more interesting and effective, and improving students’ self-learning abilities. The purpose of the study is to examine the use of mind-map based lessons in teaching English vocabulary to non-English major students at Hanoi Architecture University.