This article makes a discussion about the justifiability grounds for the commutation system of China, and proposes that the reason why the punishment can be commuted lies in the purpose of special prevention for punishment execution.

Taking the system of commutation as the breakthrough point,the article analyzes deeply the existed questions in reality so as to perfect our country’s criminal activity legal regime.

Several Factors Affecting Commutation of Julv in Zhangjiashan Bamboo Slips;

There are many non-legitimacy design of factors in China s commutation and parole procedures.

The present legislation,as to commutation system regulation,is uncomplicated and lacks of procedural guarantee and operation mechanism.

However, actually, in the execution, the standards for the commutation of punishment and parole are so flexible that the possibility of complete enforcement of the life imprisonment is little, so the seriousness and authority of the punishment is weaken and the people s confiden.

But in the current criminal practical, the criminal institutions overused the commutation of punishment as the most efficient adjustment methods, which lead the commutation of punishment abuse.

It is uncommon that commutation of sentence is written explicitly into the penal code in various nations in the world.

Commutation of sentence, as one of the main components of the enforcement of penalty against criminal laws, and an important mechanism of the enforcement of penalty, as well as a tool of encouragement to appropriate criminals, plays an important indispensable role.