Korean adverb is one of part of speech that iscategorized by meaning, form and function in sentences. The functionof adverbs is said that they modify verbs in sentences or they modifysentences at beginning sentences. But Korean adverbs have variousfunctions in discourse. The first, ‘그런데, 그리고, 그러나, ...’ amongthe adverbs are used for intensifying cohesion in discourse. And ‘근데, 그니까, 그래서, 그럼, 하여튼, ...’ among the adverbs are used asdiscourse markers that display discourse border such as introduction,change and finishing of topic. ‘그니까, 하긴, 설마, ...’ are used assemi-yes/no responses and ‘정말, 진짜, 그냥, ...’ are used as speechact sentences for demanding or threatening in conversations. And ‘혹시, 아마, 그냥, 막, ...’ are used as discourse markers that strengthenor weaken speaker’s speech representing for speaker’s mentalattitudes. Lastly the functions of ‘차라리, 오히려, 물론, ...’ can beknown through discourse premise