Study of Several Problems in Mitigation of Punishment

In the author's opinion,mitigation of punishment should be limited,which includes the kinds of punishment and the term of penalty.The object of the mitigation should extend to supplementary punishment as long as it is applied in accordance with law.When plural crimes are concerned,plural crimes should firstly be mitigated respectively and then concurrent punishment follows.The author suggests that scientific quantification of extenuating circumstances and how to mitigate principal punishment to supplementary punishment should be clearly stipulated in criminal law.