The function of pun is one of terms used without clear definition in the Korean language education. The function of pun causes laughter through new combination of signifiant and signiefie. Also this works specific function in used situation. This is appropriate as curriculum contents of knowledge, function and context in this view point. The essence of humor makes laughter unexpectedly getting out of the usual and habitual using of language and is not separated from the language making method composing the humor. The highest frequency among the language making methods is the function of pun. Therefor we can solve many problems of humor education to make use of it. Also we can show a standard of accomplishment of humor education. The function of pun of language is used in all the expressions causing laughter. Therefore we can overcome severance of time of classical literature and modern language usage. As it is commonly used in any genre, we can solve the problems of terms about expression of laughter. Also it can be an objective standard necessary in selecting subjects and we can concretely show realization of accomplishment standard. We can make use of it in humor education in this view point.