The purpose of this study are to find out of : (1) The role of the National Narcotics Agency in tackling drug smuggling into Indonesia. (2) the efforts of the National City Narcotics Agency in preventing the smuggling of narcotics between countries through Entikong, Sanggau Regency. (3) The obstacles encountered by the City National Narcotics Agency in law enforcement efforts through drug smuggling through Entikong. This research is a study that uses methods: Subject Determination, Data Collection Techniques (observation, interviews, documentation), Data analysis. The results of this study is to show: The efforts of the National Narcotics Agency of the Republic of Indonesia are, (1) cooperation between BNN-RI and Law Enforcement on Narcotics Circulation in Indonesia, (2) cooperation through ASEAN, (3) Cooperation between Indonesia and Malaysia (Bilateral), (4 ) Multilateral Cooperation through ASEAN, (5) Supplementary Reduction (network restrictions), (6) Demand Reduction (reducing demand) by taking preventive actions through planning, (7) cooperating with the Malaysian government through PDRM.