Hamlet of Tegalrejo, Kediri, Indonesia has successfully constructed an interreligious Christians and Muslim community based on some factors derived from their living traditions. This research is intended to conceal that factors in a form of ‘Field Research’ by utilizing methods of observations, interviewing, and document analysis. As such, this research will possibly confront intolerance issues derived in the Indonesian Community resulted by Post-Truth Era. This research concluded that the Tegalrejo community has accomplished both internal and external factors of interreligious harmony in their society. Al-‘Ta’āyush concept, moreover, is also possibly confirmed as a further basis of interreligious relations based on the Worldview of Islam.