The values of peace in society face challenges with the existence of various cases of radicalism and terrorism in society, this is because there are people who want the community to be in a state of conflict and the spread of teachings that are misused for the benefit of the group. This study used a qualitative approach with a case study method, where the research was conducted at Aliansi Indonesia Damai because it has a program to internalize the values of peace in society by presenting former terrorists and terrorist victims, data collection techniques use interviews, observation and documentation, and data analysis using reduction, presentation and conclusion. The results showed that the implementation of the Aliansi Indonesia Damai program used a humanist approach in the form of cognitive delivery of deviant teachings in society and how to counter them. Actors who are involved in efforts to internalize the values of peace, namely inviting elements of former terrorism, victims of terrorism and universities to convey to the public about the dangers, impacts and solutions of acts of radicalism and terrorism. The conclusion in this study shows that the peaceful Indonesian alliance organization uses a humanist approach by bringing together former terrorists, terrorist victims and universities to internalize the values of peace.