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.

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

Requirement on the Pattern of Statutory Sentence of Legislation of Criminal Quantitative Factors——Taking robbery as a case study;

Set Basis and Skill of Statutory Sentence;

It is the inevitable path to reasonable standards of statutory sentence of theft to discard tendency of misdemeanors,and to set quantity re.

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.