What can a prisoner do to reduce his sentence or the maximum?

During the execution period, if you seriously abide by the prison regulations, receive education and reform, and truly show repentance or perform meritorious service, your sentence can be reduced; Those who have made significant meritorious service shall have their sentences reduced.

True repentance: it means having the following four conditions at the same time: pleading guilty and serving the law; Seriously abide by the prison regulations and accept education and reform; Actively participate in political, cultural and technical studies; Actively participate in labor and complete production tasks.

The following cases are all legal and can be reduced:

1. Report and expose criminal activities inside and outside prison, or provide important clues to solve the case, which are verified by investigation;

2. preventing others from criminal activities;

3. Those who have made outstanding achievements in technological innovation in production and scientific research;

4. Being active in emergency rescue and disaster relief or eliminating major accidents;

5. Other outstanding deeds beneficial to the country and society.

The range of commutation is: generally, if there is repentance or meritorious service, the commutation will not exceed one year's imprisonment at a time; If there is indeed repentance and meritorious service, or there is significant meritorious service, the sentence will generally be commuted for no more than two years at a time. If a criminal sentenced to fixed-term imprisonment of more than 1 years shows outstanding repentance or meritorious service, his sentence shall not be commuted for more than two years at a time; If repentance is outstanding and meritorious, or there is significant meritorious service, a commutation of sentence shall not exceed three years in prison.