With the rapid development of mobile Internet technology,education is facing unprecedented changes.Especially in col-lege oral English teaching,the integration of mobile Internet provides infinite possibilities for the innovation of teaching mode.Traditional oral English teaching methods can no longer meet the needs of contemporary college students,while the immediacy,interactivity and con-venience of mobile Internet have brought new opportunities for teaching.Therefore,this paper focuses on the application of mobile Internet in college oral English teaching,analyzes its significance to college oral English teaching,and proposes corresponding optimization strate-gies,aiming at improving students'oral English level and providing new ideas for the development of modern educational technology.