Our present criminal law about piracy on §333I ”Piracy Crime”, §333II ”Pre-Piracy Crime”, and §334 ”Piracy-Combined Crime” have not been modified since 1928.The study analyzes our present criminal law about piracy on §333I ”Piracy Crime”, §333II ”Pre-Piracy Crime”, and §334 ”Piracy-Combined Crime”. Conclusively, to provide the criticism and suggestion for modifying the present rules.The study analyzes our present criminal law about piracy on §333I ”Piracy Crime”, §333II ”Pre-Piracy Crime”, and §334 ”Piracy-Combined Crime”. Conclusively, to provide the criticism and suggestion for modifying the present rules.