This Ritual Performance of SEA Series shows the exposition of both rituals and dance of Thai and Southeast Asia in Anthropological perspectives. In this Volume III, the researcher focuses on "Nora Roong Khruu", the ritual performance in Southern-Thai communities. It is discovered that Nora is such a performance which were used as a 'medium' to engage to the other world in order to appease the spirits not only for communal or clan rituals, but also healing an illness. Besides this ritual performance reflects the significance which refer to belief system, social structure, and gender relations in Southern-Thai community.