Euphemism,as a linguistic form generated to seek ideal and effective communication,is widely and vividly used in people's daily life,and has become an indispensable part in English language.So it has intrigued linguists and scholars for long time.The researches about this subject cover many different fields,including linguistics,pragmatics,and psychology and so on.However,the researches on its pragmatic application in teachers'language are few.Based on the previous scholars'achievements,its application on teacher's language from the perspective of pragmatic function would be explored in this paper.Nowadays,student-centered teaching is advocated to improve teaching.Applying euphemisms on teaching is a typical embodiment.Teacher's applying euphemisms can shake off the fright of students in public,protect their self-esteem and stimulate their interest in study.When it is applied to teaching languages appropriately,relaxing and lively atmosphere built in class,students'confidence elevated,their initiative enhanced,good teaching results can be attained.
