The purpose of this study is to analyze and discover a new concept of the authority of the National Police and the National Narcotics Agency in investigating narcotics crimes based on justice. The approach method used in this research is social legal research. This research uses primary data and secondary data. Data collection techniques through literature studies, interviews and questionnaires. The data collected was analyzed qualitatively. The results of the study found that the authority to investigate narcotics crimes regulated in Law Number 35 of 2009 concerning Narcotics is not balanced between the BNN and the National Police. The model of authority to investigate narcotics crimes, especially in the investigation stage by adopting the Pancasila values of justice, so that there is equality between Polri investigators and BNN investigators. In addition to the reconstruction of values, it is also necessary to reconstruct the regulatory norms for investigating narcotics crimes so that they are based on Pancasila values of justice, namely the addition of the word Polri investigator in Article 75, Article 80, Article 86, Article 106, Article 107 of Law Number 35 of 2009 concerning Narcotics, and the elimination Article 108 of Law Number 35 of 2009 concerning Narcotics, so that there is equality of authority between Polri investigators and BNN investigators in investigating narcotics crimes.