Means of National Language and Koreanb Necessity and Value Recognition of Korean Language b The Korean thought that emerged in the process of modern consciousness is based on the logic of recognizing the necessity and value of Korean language and using Korean language properly have. The Korean language of the modern enlightenment period is based on the unification of the Korean language which is consistent with the actual language, the use of the Korean alphabet which can be easily learned by everyone, the necessity of using the Korean language for the knowledge dissemination and civilization development.