As an important system to safeguard the social public interests by the rule of law, the juvenile procuratorial public interest litigation system has been paid more and more attention in the protection of the rights and interests of minors, which also reflects the obvious advantages of the system. At the same time, in practice, juvenile procuratorial public interest litigation is faced with such problems as unclear scope of authorization, limited scope of cases, unclear standard of public interest infringement, few case clues, difficulties in investigation and evidence collection, and difficult to determine the object of prosecution in juvenile administrative procuratorial public interest litigation, which affect the practical effect and future development of the system.The optimization path of juvenile procuratorial public interest litigation is to broaden the case scope of juvenile procuratorial public interest litigation, clarify the judgment standard and prosecution object of public interest infringement, broaden the clue source and investigation means of juvenile procuratorial public interest litigation, and strengthen the coordination between internal and external organs.