The purpose of this research is to clarify the relations of various concepts in Korean language education assessment system. Korean language assessment system is a part of educational processes in Korean language education. But nowadays, total Korean language education is affected by assessment system. So, to find restructured assessment system is important to help us normalize for the Korean language education. Many concepts of assessment system can be simplified. Norm-referenced Assessment and Criterion-referenced Assessment are in separable. They are necessary and complementary to each other, not opposites. Segmental Assessment and integrated Assessment have been based upon analytic assessment. And the whole language assessment is a kind of integrated assessment.