Legal analysis: the receipt of filing a case refers to the receipt given to the informant by the organ (public security bureau) that reported the case. The receipt for filing a case mainly includes the informant's information, case type, brief case, accepting personnel, contact telephone number and filing time. In other words, the judicial organ has filed a case for acceptance, and the case has entered the judicial process, requiring the parties to implement relevant litigation actions.

Legal basis: Article 111th of the Criminal Procedure Law of People's Republic of China (PRC). Reports, complaints and reports can be made in writing or orally. The staff who accept the oral report, complaint or report shall make a written record, which shall be signed or sealed by the informant, complainant and informant after being correctly read out. The staff who accept the complaint and report shall explain the legal responsibility of false accusation and frame-up to the complainant and informant. However, as long as it is not fabricating facts and evidence, even if the facts of the accusation and report are different, or even false accusation, it should be strictly distinguished from false accusation. Public security organs, people's procuratorates or people's courts shall ensure the safety of informants, complainants, informants and their close relatives. Informants, complainants and informants who are unwilling to disclose their names and report, accuse and report their acts shall keep them confidential.