This study is aimed to describe the implementation of anti-radicalism Islamic Education in building harmony at Sungai Penuh City. The type of the study is descriptive qualitative. the data are obtained through in-depth interview, observation, and document analysis. The result of this study revealed that the city government of Sungai Penuh has been implementing the anti-radicalism of Islamic education both formally and informally. Formally, such as government working units and Educational institutions (school, Islamic Boarding School). Informally, such as Islamic forums, speeches, and announcements through National Radio. In addition, it was promoted through non-government and religious organization. Such as MUI, FKDM, FKUB, and FPK.Through the implementation of anti-radicalism education, it was proven that they can build the harmony in society and free of horizontal conflicts. Thus, the harmony between the local government and their citizen become an asset to develop their city and governmental achievements.
