This study aims to determine the development of religious moderation among adolescents. This research has two activities, namely literature review and field study. The results obtained from this study are obtaining information about the problems faced by students so that it is suspected that it causes a decrease in the implementation of religious moderation values, from data collection it is known that the cause of the decline in the implementation of religious moderation values ​​in SMAN 1 Bandung students. Data collection in this study used primary and secondary data collection in the form of theories, data, and documentation related to the development of religious moderation among adolescents. Data analysis in this study uses interactive analysis, interactive analysis is a process obtained from the results of questions and answers, writing and documentation as well as from the conclusions so that they can be understood. The development of religious moderation among adolescents is one of the assets of the state in the future. This country of Indonesia is the largest Islamic country in the world, of course it must be a reflection of other countries in forming a real unity in moderation among teenagers which is now a demand for every teacher, especially for Islamic Religious Education teachers to instill a moderate attitude that is not radical as well as being able to respond to every situation. things that reeks of division.