This is a paper on examining about modern korean poetry scholars` understanding of Irony. For this work, five poetry books have been chosen as samples what have been evaluated to quote frequently. Several problems have been revealed as a result of investigation on them. There are different understanding, unclear explanation, misunderstanding of Irony among scholars. In these days, examination of Irony has been reduced in Korea compare to western countries. In this situation, this paper suggest that scholars have to study diachronically and examine closely of Irony because it will lessen misunderstanding what many scholars have done. Also this paper suggest scholars must have the open mind for understanding every writer and their period because Irony has been used to express new vision of arriving age. Futhermore, this paper contains several suggestions for revitalization of study on Irony. Modern korean poetry scholars who join to study of Irony must reveal clearly that where their understanding has come from originally. Also scholars have to pay attention to possibility on comparative studies relating to Irony`s diversity aspects. Moreover, scholars have to try examining modern korean poems in the sight of Irony and presenting the meaning they have. In the last, this paper contains a hope to contribute to revitalize studies of Irony and Irony`s application on modern korean poetry.