This study discusses the Mepopoidulu tradition implemented by the Bada tribe, Poso Regency, in Indonesia. The aim of this study is to reveal the cultural values contained in the Meppoidulu tradition in the Bada tribe. This study used a qualitative method with an ethnography approach. The data was gathered through field observation, in-depth interviews with local communities, and written document analysis. The data, then, was analyzed using data reduction techniques, data presentation, and data verification, and ended with checking validity and drawing conclusions. The results of this study show that the implementation of the Mepopoidulu tradition consists of five main elements: Pousuana Katuwon'na Tauna, and the womb salvation ceremony during a mother's first pregnancy. Second, Pompetimbali Poadakana Tauna. Namely, manners are polite habits agreed upon in the social environment between people when they are adults in the stages leading to marriage. Third, poparewa, which implies ownership, means that humans will always live and strive and will own and have property rights. The fourth is Maroro'u, which means the implementation of expressions of gratitude to the almighty creator God for the agricultural harvests of the Bada community. The fifth is Mpegiwuw, which sanctions or punishes those who violate the traditional rules/customs of the Bada tribe. The educational values contained in the mepopoidulu tradition include the Value of religious education, an awareness deeply manifested in the depths of the human heart as human nature. Then, the Value of social education is a collection of attitudes and feelings manifested through behavior that influences the behavior of a person with values. Furthermore, the Value of moral education is a way of life that differentiates humans from other creatures. Cultural education is a value that has been embedded and agreed upon by the Bada tribe in the form of habits, behavior, and responses to a situation after or before it occurs. Finally, the Value of character education, which is an effort designed and implemented systematically to help understand human behavior, including the Value of caring, the ability to be sensitive to the needs of other people, and the ability to feel the feelings of different people and put oneself in other people's situations (empathy).