If there is repentance or meritorious service during the prison term, the sentence may be reduced according to the prison assessment results. Those who have made significant contributions to inventions or major technological innovations shall have their sentences reduced.
Legal basis: Article 3 of the Provisions of the Supreme People's Court on the Specific Application of Laws in Handling Cases of Commutation and Parole means that the following conditions are met at the same time:
(1) Plead guilty and repent;
(2) Abide by laws, regulations and regulatory provisions, and receive education and reform;
(three) actively participate in ideological, cultural and vocational and technical education;
(four) actively participate in labor, and strive to complete the task of labor.
Article 78 of the Criminal Law of People's Republic of China (PRC) A criminal sentenced to public surveillance, criminal detention, fixed-term imprisonment or life imprisonment may have his sentence reduced if he consciously abides by prison regulations, accepts education and reform, and shows repentance or meritorious service during the execution period; One of the following major meritorious deeds shall be commuted:
(a) to prevent others from engaging in major criminal activities;
(2) reporting major criminal activities inside and outside the prison, which is verified by investigation;
(three) there are inventions or major technological innovations;
(4) sacrificing oneself to save others in daily production and life;
(five) outstanding performance in resisting natural disasters or eliminating major accidents;
(6) Having made other significant contributions to the country and society.