This article tries to analyze paragraph 3 of article 20 of Criminal Law from four respects of the logical relation among articles; the legislative goals; the analogous legislation examples and the principle of a legally prescribed punishment for a specified crime.

As for the revising of the Criminal Law in 1979,he made the following valuable suggestions: to abolish analogy and to establish the principle of a legally prescribed punishment for a specified crime.

He supports a legally prescribed punishment for a specified crime,while he is not against to the analogy.

Media s adverse effects on conviction and sentence are mainly brought through the intermediary of public opinion.

These criminal cases have natural appeal to the media, however, media is a "double-edged sword", and it probably exerts influence on the conviction and sentence.

"No law does not expressly provided for the crime",which is the core substance of the principle of legality.

The Principle of a legally prescribed punishment for a specified crime is a basic principle in our Criminal Law.

The explanations of rules like this conform to the principle of a legally prescribed punishment for a specified crime and make the rules of criminal law closer to the real life.

The idea that the relative principle of legally prescribed punishment for a specified crime has dual functions of protecting both society and human rights actually confuses the function of criminal law and the principle of legally prescribed punishment for a specified crime and mistakes the entire function of criminal law for that of its c.

Transfer of Vision and Orientation on Value: Principle of Legality;

As society-oriented ideological trend springs up, the principle of legality has incurred suspicions for its individual-oriented position.

The interpretation of criminal law should conform to principle of legality and be limited to the "range of original text", which can be foreseen by ordinary person.