一、刑罚执行机关对罪犯的考核,需检察机关的监督与制约,根据刑法的规定,减刑的实质条件是被判管制、拘役、有期徒刑、无期徒刑,罪犯在服刑期间“确有悔改表现的或者有立功表现的”。假释的实质条件是被判处有期徒刑、无期徒刑的犯罪分子必须在执行一定刑期之后,“确有悔改表现,不致再危害社会的”。在实践中,“确有悔改表现”“或者立功表现”和“不致再危害社会”仅是司 First, the criminal penalties executing agencies for the examination of criminals, prosecutors need supervision and control, according to the provisions of criminal law, commutation of the substantive conditions are sentenced to criminal detention, fixed-term imprisonment, life imprisonment, criminals in prison “did have the performance of repentance Or have meritorious performance. ” The substantive conditions of the parole are that criminals who are sentenced to fixed-term imprisonment and life imprisonment must “have true repentance and will not endanger the society after the execution of a certain sentence.” In practice, the “true repentance” or “performance of meritorious service” and “no harm to society” are only divisions