Legal analysis: 1. The complaint should be written at the beginning of the title. 2. The complainant's name, gender, nationality, occupation, unit name, address and telephone number. 3. Name, mailing address and telephone number of the respondent. 4. The facts and reasons of the complaint. 5. Specific claims for compensation. 6. Finally, the complainant signs and dates in the lower right corner. 7. Attach a list of evidence and supporting materials related to facts, such as contracts, faxes, air tickets, boat tickets, boat tickets, vouchers, invoices, etc.

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.