Songkanong village is the one of Mon villages in Phrapradang. The Mon settled in this area 187 years ago, and Songkanong village still retains the Thai-Mon architecture and the unique lifestyle. This group of buildings is considered valuable and worthy of conserving as an example of Mon village in Phrapradang. The main objective of this research is to propose the conservation concepts of Songkanong village. The thesis emphasizes the architectural characteristic and its conservation. Research began with a study in conservation theories, principles and practices of vernacular architecture as well as the history of Phrapradang area and Mon in Thailand. The study consisted of a survey of physical aspects of Songkanong village including Rongrua village, which is located in this historic area. Problems as well as values and potential of the area were analyzed. Before conservation concepts and guidelines are proposed. The main concept for conserving Songkanong village is to protect this Mon district and enchance its historic value. The linkage between villages and important places are introduced. The conservation guidelines of Songkanong village include activity controls, architecture guidelines, accessibility within the area, and the improvement of traffic, infrastructure, and public areas. Finally, the conservation management guidelines are set up.