How do public security organs file a case against false litigation's crime?

False litigation's behavior belongs to the jurisdiction of the public security organs, and the parties concerned can complain to the local public security organs. Accusations can be made orally or in writing. The parties concerned should pay attention to the collection of evidence of false litigation's actions against others. If a public security organ discovers criminal facts or criminal suspects after examining the transcripts, it shall file a case for investigation according to the crimes under its jurisdiction. And issue a notice of filing a case to the plaintiff in accordance with legal procedures to protect the plaintiff's right to know.

Criminal Procedure Law of the People's Republic of China

Article 109

The organ that initiated the lawsuit

When a public security organ or a people's procuratorate discovers a criminal fact or a criminal suspect, it shall file a case for investigation within its jurisdiction.

Article 110

Sources of materials for filing acceptance and handling of filing materials

Any unit or individual who discovers criminal facts or suspects has the right and obligation to report to the public security organ, the people's procuratorate or the people's court. Victims have the right to report and accuse criminal facts or criminal suspects who infringe their personal and property rights to public security organs, people's procuratorates or people's courts. Public security organs, people's procuratorates or people's courts shall accept reports, complaints and reports. If it does not belong to its own jurisdiction, it shall be transferred to the competent authority for handling, and the informant, complainant and informant shall be notified; For those who are not under their jurisdiction and must take emergency measures, they should take emergency measures first and then transfer them to the competent department. Where a criminal surrenders himself to a public security organ, a people's procuratorate or a people's court, the provisions of the third paragraph shall apply.