The purpose of this study is to analyze the changes in the issuance of religious textbooks following the revision in the national curriculum and the issues revealed in the process, and to find a future direction for desirable religious education in the future. Religious textbooks have also been published as accreditated books since the adoption of the Religion subjects during the 4th national curriculum. Accordingly, by analyzing the history and changes of textbook development in Buddhist schools, issues related to the current state curriculum and textbook issuance were examined. Religious education was introduced in Buddhist schools, and the period when the national curriculum was established systematically and at the same time promoted its own development took precedence. However, as institutionalization acted as a kind of pressure in the development of textbooks, the emphasis was placed on administrative introduction rather than gradually reflecting on the contents. The problems arising from the ambiguity of the religion curriculum of the national curriculum were also reflected in textbooks. This is connected not only to the problem of Buddhist textbooks but also to the universal problem of religious education in Korea. In addition, the future task of developing textbooks for realistic religious education was presented. First, social consensus is required for religious education in schools. In public education, while ensuring religious freedom, which is the basic human right, it is necessary to seek new encounters and turning points that can realize the founding ideology of the municipal school. Next, it needs to review the current textbook accreditation system. It is hoped that the institutional mechanism for issuing various textbooks that can respond to the educational experiences of educators and learners will be supported. Finally, deep reflection and practice on the circular curriculum between specific religious education and universal religious education must follow. Through this, religious school education in Korea can lead to universality that reflects on learners themselves and the world through the specificity of individual religions. I hope that the Religion Studies will be the starting point so that the religious conflict in our society will be resolved through correct religious education and become a new alternative.