Abstract: Cross-border areas are an inseparable part of the Unitary State of the Republic of Indonesia (NKRI) which is essentially the foremost "veranda" of the Unitary State of the Republic of Indonesia and is the face of Indonesia for countries with direct borders and has very important and strategic meaning, both from a defense-security perspective as well as economic, social, and cultural perspectives, where each region has different characteristics and characteristics from one another. The purpose of this study is to analyze the policies issued by the government in dealing with military threats through the development of cross-border areas to support the national defense economy. This research method uses descriptive qualitative with library/literature studies. The results of the research and discussion show that the governments policy in its implementation is to deal with military and non-military threats to support the defense economy.