This study aims to investigate the genre awareness among Korean language teachers. Accordingly, a survey and writing assessment for two sample papers were conducted with 43 Korean language teachers. The result of survey and writing assessment for investigation is following: First, This study found 3 factors for the constructions of Genre awareness of Korean language teachers. The factors consist of awareness of explicit genre instruction, critical genre instruction and genre expansion. Korean language teachers responded positively both explicit genre instruction and critical genre instruction, however, Compared to an explicit genre instruction, Teachers are more positive response to critical genre instruction. but Given that the emphasis on a typical characteristics of the genre, Korean teachers not focus on the critical perceptions of the genre itself. and this genre awareness of instruction did not apply in the context of writing assessment. but genre awareness of expansion that means openness to different genre have a certain correlation with critical genre awareness and also contribute to assess the value of untypical text.