After a criminal case is heard, if someone else is found to have made a false statement, where should I appeal?

In a criminal case, if you find that someone else has committed perjury, committed perjury, or is suspected of a criminal offense, you can report it to the public security agency, which will handle it in accordance with the law.

Relevant laws and regulations: "Criminal Law of the People's Republic of China"

Article 305: In criminal proceedings, witnesses, appraisers, recorders, and translators intentionally misrepresent important circumstances of the case. Anyone who makes false certifications, appraisals, records, or translations with the intention of framing others or concealing criminal evidence shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention; if the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years.

Article 306: In criminal proceedings, defenders or agents ad litem destroy or falsify evidence, help parties destroy or falsify evidence, threaten or induce witnesses to change their testimony about facts or commit perjury, they shall be punished. A person shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention; if the circumstances are serious, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years.

Witness testimony or other evidence provided, presented or cited by the defender or litigation agent is inaccurate and not intentionally forged, and does not constitute forged evidence.

Article 307: Anyone who uses violence, threats or bribery to prevent witnesses from testifying or instructs others to give false testimony shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention; if the circumstances are serious, he shall be sentenced to not less than three years but not more than seven years. Imprisonment.

Anyone who helps a party destroy or fabricate evidence, if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention.

Judicial personnel who commit the crimes in the first two paragraphs shall be severely punished.