This study is based on POA, absorbing its beneficial elements to academic English vocabulary teaching. This research has some pedagogical implications for academic English study and teaching of college English. By using the "beneficial elements" of POA, it intends to avoid the disadvantages of traditional vocabulary teaching, then continuously improving the efficiency of teaching, thus effectively improving the quality of academic English vocabulary teaching and students' academic English vocabulary level, so as to improve its scientific research ability and academic exchange level.