This paper aims to clarify the concepts of Sang-Saeng Language Utility and the phase of it in korean language education. This paper aims to clarify the concepts of Sang-Saeng Language Utility and the phase of it in korean language education. There have been so many studies on Sang-Saeng Language Utility in the last few years. This paper is different from these studies. Because, this focus on the interrelation- ships of Sang-Saeng Language Utility and Korean Language Education among subjects in whole education. Sang-Saeng Language Utility is a language usage of high level. We have to conduce students from low level language usage to high level usage. The quality of Sang-Saeng language Utility depends upon the speaker's specific knowledge. A study on the Sang-Saeng Language Utility involves conceptual understanding and strategies of the context and language. Because persons of equal language skills wil vary on the quality of their language products if they possess different degrees of conceptual understanding of the Sang-Saeng Language Utility. So, we have to study the strategies of Sang-Saeng Language Utility and promote to use these strategies in the real context.