Legal analysis: lawyers are not allowed to reduce their sentences, and lawyers are not necessarily related to reducing their sentences. Criminals who are sentenced to public surveillance, criminal detention, fixed-term imprisonment or life imprisonment according to law must conscientiously abide by prison regulations, receive education and reform, and do show repentance or render meritorious service during the execution of the penalty, such as: 1, expose and report criminal activities inside and outside the prison, or provide important clues to solve the case, which are verified by investigation; 2, to prevent others from major criminal activities; 3, technological innovation in production and scientific research, outstanding achievements; 4. Being active in emergency rescue and disaster relief or eliminating major accidents; 5, there are other outstanding deeds beneficial to the country and society.
Legal basis: Article 29 of the Prison Law of People's Republic of China (PRC). If a criminal sentenced to life imprisonment or fixed-term imprisonment does repent or perform meritorious service during his sentence, his sentence may be reduced according to the results of prison assessment. Those who have made one of the following major meritorious deeds shall be given a reduced sentence: (1) preventing 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.