This thesis looked in educational contents change factor, on the target at the educational contents in the middle school ‘literature’ area from the 1st Korean education curriculum period to 2015 revised Korean education curriculum period. First, this thesis judged that the situation in which the educational contents was reduced in accordance with the direction to learning quantity rationalization had an effect on the characteristic of educational contents. As a result, this thesis made sure that, in the ‘literary’ area, educational contents was reduced by integrating substances, abolishing systemization. and integrating pan-genre subjects. This thesis judged that, with the educational substance reduced, concerning on the enhancement of qualitative level of education, educational substance would be reduced and learner’s load would be reduced, too but that it’s possible to make progress of high-level, deepening class works. For the purpose of solving the problem of realizing learning quantity in the course of planing curriculums, we have to view linked conditions in a multi-level style such as learning quantity, contents of educational substance, learner’s condition, and constitution method of learning activity.