In Islam, every person who knowingly abandons one of the obligatory acts or does one of the forbidden acts regarded as sinful and must be punished. To sentence some body to prison is one of the criminal rules in the Islam criminal system for the offenders. There are three types of imprisonment for the offenders: 1- to put in jail is sometimes considered as a penance 2-imprisoning is sometimes considered as a punishment 3- sometime it is neither a penance nor a punishment but it is a precaution act to stop the others form spoiling the rights of the others. This article mainly tries to study the concepts and definitions of penalty, punishment and imprisonment form the perspective of narrative and jurisprudent evidences.
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