(a) there is new evidence to prove that the facts identified in the original judgment or ruling are indeed wrong; (2) The evidence on which conviction and sentencing are based is not true or sufficient, or there are contradictions between the main evidences proving the facts of the case; (3) The application of the law in the original judgment or ruling is indeed wrong; (4) The judges have committed corruption, bribery, favoritism and malpractice, and perverted the law in the trial of cases.
Legal basis: People's Republic of China (PRC) Civil Procedure Law.
Article 98 If an agreement is reached through mediation in the following cases, the people's court may not make a conciliation statement:
(1) Mediation and reconciliation of divorce cases;
(2) Mediation and maintenance of adoption cases;
(3) Cases that can be executed immediately;
(four) other cases that do not need to make a conciliation statement. An agreement that does not require the preparation of a conciliation statement shall be recorded in a written record, which shall have legal effect after being signed or sealed by both parties, judges and court clerks.
Article 198 If the presidents of the people's courts at all levels find that there are errors in the legally effective judgments, rulings and conciliation statements of their own courts, and think that a retrial is necessary, they shall submit them to the judicial committee for discussion and decision. The Supreme People's Court has the right to send back the legally effective judgments, rulings and conciliation statements of local people's courts at all levels and people's courts at higher levels or order the people's courts at lower levels to try them again if errors are found.
Article 199 If a party considers that a legally effective judgment or ruling is wrong, it may apply to a people's court at the next higher level for retrial; A case with a large number of people or both citizens may also apply to the people's court that originally tried the case for retrial. If a party applies for a retrial, the execution of the judgment or ruling shall not be stopped.