Java Island is a predominantly Muslim island but its people live side by side with the pillars. One form of inter-religious harmony can be seen from the implementation of the Cat Mantu Ceremony in Dusun Curahjati Village Grajagan Purwoharjo District Banyuwangi Regency followed by various religions, among others: Hinduism, Islam, Buddhism, Christian Religion and Catholicism. Cat Mantu Ceremony was held to beg for rain to Ida Sang Hyang Widhi Wasa. In today's rapidly evolving technological development is not completely displaced all the traditions undertaken by the people of Dusun Curahjati who menjdi a ceremony that must be implemented. The results of this study are: Background held Ceremony Mantu Cats is a factor of Sradha (belief) is believed by the community and the factor of customs. Form of the implementation of Cats Mantu Ceremonies include: (1) Preparation Process Ceremony Cat Mantu, (2) Implementation Phase Ceremony Mantu Cats, (3) Final Stage Ceremony Cat Mantu. the implementation of the Cat Mantu Ceremony contains the values of socio-religious education which include: (1) Social Values or Solidarity, (2) Religion Value, (3) Cultural Preservation Value (Art).