摘要： 研究司法上的犯罪化与非犯罪化，具有重要的现实意义。刑法的真实含义是在社会生活事实中不断发现的，司法上的犯罪化，并不必然违反罪刑法定原则；我国司法机关应当在遵循刑法第3条后段的前提下，积极地实行司法上的犯罪化；刑法第3条前段不是关于罪刑法定原则的规定，而是基于我国刑法分则条文的特点，为了限制司法机关的出罪权、控制司法上的非犯罪化所作的规定；我国司法上的非犯罪化的空间很小，因而不能盲目模仿西方国家的刑事司法策略与做法。

关键词: 司法 , 犯罪化 , 非犯罪化

Abstract: It is practically of importance to study the criminalization and decriminalization in judicature．The accurate meaning of the criminal law is found grudually in the social life facts．The criminalization in judicature does not break the principle of legality．The judicial organs should be positive to promote the criminalization under the second part of Article 3 of the criminal law．The first part of Article 3 is not the content of the principle of legality，and its function is to limit the power of decriminalization of juditial organs and control the judicial decriminalization．Such content is fit for the characteristics of the articles of the specific part of criminal law of China．The judicial decriminalization is very limited according to the laws of China，so the ideas and schemes in the criminal justice of some western countries could not be copied in the criminal practice in China．

Key words: Judicature, Criminalization, Decriminalization