Conflicts among religious adherents can be happened if they are not able to comrehend and intermalize the values of religion. As a consequence of misunderstanding the values, they may do a variaty of violence which demolishes peace dreamed by all the human being. This article aims at providing the enlightenment to Muslims in order to be living peacefully and harmoniously with non-Muslims. It focuses on the discussion og the law of mubah in answering al-alam greeted by non-Muslims who do not have negative and provocative motive. This view has been adapted by Muhammadiyah in order to provide a significant contribution to the nation in particular and the world in general in inspiring and promoting peace and harmony among a variety of religious adherents.