It is necessary that reginal dialect as a subject to educate should be flexible. It is because learners expand range of their reginal dialect according to grow up. The purpose of this study is to investigate efficient relation made use for reginal dialect in Korean language education. For reach the goal of this study, it should be examined thoroughly notions as follows：reginal language, dialect, reginal dialect. considering linguistic hierarchy, it is investigated issues as follows; (1) to make use of dialect vocabulary in Korean language education, (2) to make use of dialect phoneme in Korean language education, (3) to make use of dialect grammar in Korean language education. Korean language teachers and specialists of Korean language education have to keep their mind on significance of dialect. And they have to do their best to improve Korean language lesson and to attain the goal of Korean language education.