1. According to the provisions of the Criminal Law and the Criminal Procedure Law, criminals sentenced to death with a two-year suspension of execution, life imprisonment or fixed-term imprisonment shall execute their sentences in prison. According to Article 20 of the Prison Law, after a prisoner is put into prison, the prison shall notify the prisoner's family. The notice shall be issued within five days from the date of admission to prison.
2. According to the provisions of Article 15 of the Prison Law, the people's court shall deliver the notice of execution and the judgment to the public security organ in custody for a criminal sentenced to death with a two-year suspension of execution, life imprisonment or fixed-term imprisonment, and the public security organ shall deliver the criminal to prison for execution within one month from the date of receiving the notice of execution and the judgment.
3. "Regulations on Detention Centers" Article 2 A detention center is an organ that holds criminals who have been arrested and criminally detained according to law. Criminals whose remaining sentences are less than three months and are inconvenient to be sent to reform-through-labour institutions for execution may also be supervised by detention centers.
4. The prison system in a broad sense refers to all methods and systems related to the execution of deprivation of liberty, such as imprisonment, guarding, education, probation, labor, hygiene, medical care, rewards and punishments, etc. The prison system in a narrow sense only refers to the imprisonment and guardianship system. Article 34 On the premise of ensuring safety and not affecting criminal proceedings, the detention center may organize criminals to carry out appropriate labor.
Legal basis: Article 15 of the Prison Law of People's Republic of China (PRC), the people's court shall deliver the notice of execution and the judgment to the public security organ in custody for a criminal sentenced to death with a two-year suspension of execution, life imprisonment or fixed-term imprisonment, and the public security organ shall deliver the criminal to prison for execution within one month from the date of receiving the notice of execution and the judgment.