1. If a criminal who has been declared on probation commits a new crime within the probation period, his probation shall be revoked;
2. A criminal who has been declared suspended shall revoke his suspended sentence if he finds that there are other crimes that have not been sentenced before the judgment is pronounced;
3. If a criminal who has been declared on probation seriously violates the law during the probation period, his probation shall be revoked.
legal ground
Article 77 of the criminal law
If, during the probation period of probation, a criminal who has been suspended commits a new crime or finds that there are other crimes for which no judgment has been given, his probation shall be revoked, a judgment shall be made on the newly committed crime or newly discovered crime, and the punishment to be executed shall be decided in accordance with the provisions of Article 69 of this Law.
If, during the probation period of probation, a criminal who has been declared suspended violates laws, administrative regulations or the supervision and administration regulations of the relevant departments of the State Council on probation, or violates the prohibition order in the judgment of the people's court, if the circumstances are serious, his probation shall be revoked and the original sentence shall be executed.