Abstract: This study is based on the limited research on areca nut as a cultural object (material culture) used by Papuans in everyday life or life cycle based on their local understanding (ideational culture). The purpose of this study is to explain the practices of betel nut in the ceremony of Papuan life circle. This research method is a qualitative descriptive method. Data collection is done by triangulation method by combining data collection techniques as follows; interviews, Focus Group Discussion (FGD), and observation. Data were analyzed by three steps: data collection, data reduction, presentation in the form of description and explanation / interpretation and conclusion. The stages of this proposed study are also recommended by Miles and Huberman (in Emzir, 2010: 129). .