This paper examines the meaning and function of the degree adverb "neomu(너무)" by examining the data extracted from the written and spoken language of the "New Yonsei corpus". At this time, we examined whether there is a difference in the aspect of use as an emphasis and whether there are differences in the use of the adverbs "neomu(너무)" in terms of positive and negative emphasis depending on parts of speech, the type of sentence and the genre of written and spoken language. Through 'New Yonsei corpus', "neomu(너무)" in the written and spoken language still prevails in the negative meaning function, and the negative meaning is used more in the written language than in spoken language. Also, the meaning of "neomu(너무)" is determined by the following word, and "neomu(너무)" is used not only for positive but also for neutrality without polarity. Through this, it is considered that the meaning of '"neomu(너무)" has basically a negativity as an emphasis adverb, but negativity also turns into a value - neutral character instead of affirmation or negativity.