Legal basis: Article 242 of the Criminal Procedure Law of the People's Republic of China. Legal conditions for retrial of criminal cases: If the parties, their legal representatives, and close relatives appeal, if one of the following circumstances is met, the people's court shall retrial: (1) There is new evidence to prove the original judgment or ruling The facts identified are indeed wrong, which may affect the conviction and sentencing;
(2) The evidence on which the conviction and sentencing is based is inaccurate or insufficient and should be excluded in accordance with the law, or there is a discrepancy between the main evidence proving the facts of the case. Contradictory;
(3) The original judgment or ruling is indeed erroneous in the application of law;
(4) Violation of legal procedures, which may affect a fair trial;
(5) Judges engage in corruption, bribery, malpractice for personal gain, or abuse of law.