The article reveals the role of the prosecutor's office of Ukraine in the process and in order to ensure guarantees of the independence of judges and the authority of the judiciary. A study of the legislative framework of Ukraine proves that the role of the prosecutor's office in the process of ensuring guarantees of the independence of judges and the authority of justice is regulated by the provisions of the Constitution of Ukraine, the Law of Ukraine «On the Prosecutor's Office», the Law of Ukraine «On the Judicial System and the Status of Judges», the Code of Professional Ethics and Conduct of Prosecutors, the Criminal Procedure Code Of Ukraine, the Criminal Code of Ukraine, as well as other regulatory documents. It was found that the judge, performing professional activities in the direction of the administration of justice, is independent of the various influences, pressure or interference, which are illegal. The legislation of Ukraine determines that the principle of the independence of the judge indicates that the judge is not obliged to provide explanations regarding the nature and content of the cases being pending, with the exception of cases established by law. State authorities, local self- government bodies, officials and officials of these bodies, individuals and legal entities and associations of such persons should respect the independence of judges and in no case should encroach on it. It was determined that one of the principles on the basis of which the professional activities of the prosecution authorities are based is the principle of respect for the independence of judges. It has been proved that the High Council of Justice always adheres to the position of unconditionally ensuring the independence of judges and establishing this direction as a priority type of activity for law enforcement agencies, in particular, for the prosecutor's office. Fast and quality investigation of crimes related to the professional activities of judges will, first of all, contribute to the observance of constitutional law regarding the principle of access to justice.. It is noted that the prospects for further research in this direction are the study of the legal basis for the observance of the principle of the rule of law and legality by the judiciary in the context of performing professional activities.