The purpose of this study is to draw the ways of utilization of ACTFL-OPI to improve problems of speaking achievement test of Korean in a Korean education institution. Recently, there has been a study of using of ACTFL-OPI partly in Korean education, however, ACTFL-OPI was criticized as proficiency test. This suggest that ACTFL-OPI has a possibility to be able to use not only proficiency test but also achievement test and pro-achievement test. First of all, in this study, we saw the problems of ACTFL-OPI discussing in Korean education through precedence researches and interview researches into a research worker of evaluating Korean. After understanding the problems and the present conditions of speaking test by a Korean education institution, we also drew the ways of utilization of ACTFL-OPI.