Every human being is aware of the invisible or invisible nature of the world that exists beyond its senses and beyond its boundaries. System of belief in a religion that there is a shadow of people will form the magical world in the villageKetewel who have long had a tradition to perform Dance Sang Hyang Legong Mask Sacral is not staged then all kinds of diseases will attack the people Ketewel.Based on the background of the above problems then can be formulated the problem are: (1) How the history of Dance Sang Hyang Legong Mask Sacral in Piodalan Pura Jogan Agung Ketesi Village, District Sukawati, Gianyar Regency, (2) What is the function of Dance Sang Hyang Legong Topeng Sakral in Piodalan in Pura Jogan AgungDesaKetewel, Sukawati Sub-district, Gianyar Regency, (3) What are the values of education contained in Sang Hyang Legong Dance Sacred Mask Dance in Piodalan in Pura Jogan Agung Ketesi Village, Sukawati District, Gianyar Regency? Based on the formulation of the above problems, the research objectives are: (1) to know the history of Dance Sang Hyang Legong Topeng Sakral in Piodalan Pura Jogan AgungDesaKetewel, District Sukawati, Gianyar Regency, (2) to know the function of Dance Sang Hyang Legong Topeng Sacred in Piodalan in Pura Jogan AgungDesaKetewel, Sukawati District, Gianyar Regency, (3) to know the values of education contained in the Dance Sang Hyang Legong Mask Sacral in Piodalan Pura Jogan Agung Ketewel Village, Sukawati District, Gianyar Regency.The theories used to analyze the problem formulation are: Religious theory of Koentjaraningrat, the functional structural theory of Artadi, the theory of value of Good. The methods used to collect data are observation, interview, literature, and documentation.The results of this study show that: (1) History of Dance Sang Hyang Legong Topeng Sacred Dance in Piodalan in Pura Jogan Agung Ketesi Village, District Sukawati, Gianyar Regency of Sang Hyang Legong Topeng Sakral originated from King Kediri get pawisik from Ida Sang Hyang Pasupati bersthana on Mount Semeru. Sang Hyang Legong Mask Sakral is performed only at the ceremony of both pujawali pretend and piodalan in Ketewel village houses. (2) The function of Dance Sang Hyang Legong Topeng Sacred Dance in Piodalan in Pura Jogan Agung Ketesi Village, Sukawati District, Gianyar Regency is the neutralizing of the universe, the means of bhakti to Ida Sang Hyang Widhi Wasa and the preservation of Balinese cultural arts. (3) The value of education which is contained in Dance Sang Hyang Legong Topeng Sacred Dance in Piodalan in Pura Jogan Agung Ketesi Village, District Sukawati, Gianyar Regency is the value of divinity, atmanastuti value, aesthetic value, yadnya value / ceremony.