Houses are part of the ancestral heritage. Therefore, the preservation of traditional houses is proof that the community maintains the existence of its group identity, likewise to the conventional house of the Osing tribe in Kemiren Village. The preservation of the Osing tribe's traditional house by the community not only maintain the existence of the Osing tribe but also becomes the tourism sector. Therefore, it becomes interesting to study and research more deeply in the study of the sociology of tourism more. This study aims to determine the construction models of the Osing traditional house, the function and philosophy of the structure of the Osing traditional house and the efforts to preserve the Osing traditional house. The research method used is a qualitative method with a descriptive approach. Data collection techniques are observation, interviews and literature study. The results of this study indicate that the Osing tribe in Kemiren village has three house models, which at that time described the social classes of the people who lived in the house. To preserve and increase tourism in Kemiren village, the community built traditional houses, some of which were managed by the community to be used as lodging places for tourists visiting Kemiren village.