This study was done based on the writer’s interest on tradition of “Mundut Ida Bhatara Istri “ on “Melasti” ceremony in Budeng village, Jembrana District, Jembrana Regency.This tradition is the implementation of Hinduism framework that is tattwa, susila dan acara which is actualized through religion ceremony on Melasti ceremony. Tattwa Philosophy. “Mundut Ida Bhatara Istri” (Upholding Goddes) ceremony in Budeng village, Jembrana District, Jembrana Regency is one of the actualization of sradha (belief) and bhakti in sekala and niskala which is done one day before “tilem sasih kesanga” (death moon). This study was qualitative study. The findings on this study showed that: (1) the procession of Mundut Ida Bhatara Istri done on “Melasti” ceremony in Budeng village, Jembrana Regency was started by worshiping handled by the priest, praying together and continued by Mundut procession (Upholding Goddes). (2) The religion function of Mundut Ida Bhatara Istri done on “ Melasti” ceremony in Budeng village, Jembrana Regency was to increase sradha and bhakti to the Almighty God while the social function was to unite all the believers which then give certain influence to the woman’s duty on the society. (3) the meaning of Mundut Ida Bhatara Istri done on “Melasti” ceremony in Budeng village, Jembrana District, Jembrana Recency was as the actualization of bhakti (religious service) to the almighty god and the way keep the harmonious and balance between world and environment to reach the worl prosperous.