The purpose of this study is to seek the systematization of Korean language cognitive thinking domain. First, system-related term of cognitive thinking domain was established at thinking type and thinking subtype in order to eliminate confusion in using the system-related term. Next, the system-related term has been utilized in the critical review on previous study. Finally, the result of the critical review suggest several possibilities in the systematization of Korean language cognitive thinking domain. The possibilities are setting of realistic thinking, understanding thinking, logical thinking, critical thinking, creative thinking in terms of thinking type and setting of main fundamental thinking, main complex thinking in terms of thinking subtype and setting of individual thinking by thinking subtype. In addition, some thinking have been added. Based on this, the system of Korean language cognitive thinking domain was presented.
