The purpose of this study was twofold. It investigated how the subjects for students taught by the basic curriculum were introduced, expanded, divided, integrated, and perished. And, it also sought to suggest the direction for the development of the subjects by the basic curriculum. For the purpose, this study analyzed school's activities presented in the basic curriculum documents according to school curriculum revision period in order. First, the domain organization of the curriculum was compared and analyzed by the revision period and, then, subjects presented in the domain organization were divided, integrated, and perished by the revision period and school class. The main results were as follows. First, the domain organization of the curriculum was divided into elementary and secondary school curriculum as the curriculum revision was proceeded. Second, the division of subjects was made from lower grade to higher grade, was made actively in the elementary school curriculum between first revision period and seventh revision period, and was made stably since the year of 2008. Thirdly, consistent division was discovered in the secondary school curriculum. Based on the results, this study suggested the increase of, and dual system in, selective subjects as the development strategy of the basic curriculum.