Myth explains a culture's belief system about the role and power of the supernatural. Tempuutn Mate, or the death of the Dayak Benuaq and Tunjung tribesmen, is one of the myths in Indonesia. The objective of this study is to characterize the Dayak Benuaq and Tunjung tribes' beliefs in Tempuutn Mate. This study is descriptive qualitative research that employs a critical analysis method based on Levi Strauss's approach and Lasswell's critical analysis. The mythological book Tempuutn: Myth of Dayak Benuaq and Tunjung by Michael Hopes, Madrah, and Karaakng is the source of the data. Techniques for collecting data with the approach of reading and recording Data validity using triangulation of library sources. The study's findings show that Tempuutn Mate can establish cultural phenomena that have survived to the present day in the shape of 1) basic living behavior, (2) belief systems in spirits, giving offerings, and a place of paradise. (3) religious rituals.