Commutation system is implementation of the system of Chinese criminal law important penalty, is a kind of legal incentives will severely punish criminals in custody, is combined with a broad, combining punishment with education reform policy in the criminal penalty is a concrete expression of execution, to urge them to plead guilty, repent and start anew, to the person, fully mobilize the enthusiasm of the transformation, the early return to society, and the family, the disadvantages of reducing long-term ...