This paper explores into this issue from three aspects of unequal lawsuit position,the principle of conviction from confession,and snarling trial.

Valued as the idea of ensuring human rights, the theory of "suspecting a crime without being accused"is essentially a rule of criminal evidence from the interpretation of evidence act.

There are three uncertain provisions: what is in violation of state regulations ? what actions belong to other illegal operation ? what circumstances can be deem serious ? Between the principle of a legally prescribed punishment for a specified crime and every points of the above may have collisions.

Developing from its emerging time to nowadays, the principle of a legally prescribed punishment for a specified crime has been well - accepted as the fundamental principle of criminal law in most countries.

the establishment for the crime of a major safety accident of educational facilities, which has been increased in the new criminal code in China as a new crime, not only, reflects the confirmation of the principle of a legally prescribed punishment for a specified crime in the current criminal code but also provide with theoretical basis and exploratory space for the research of education crime.

The principle of a legally prescribed punishment for a specified crime is the fundamental issue in the criminal theory and practice.

This article aims to enrich the theory base of a legally prescribed punishment for a specified crime, deepen how to understand a legally prescribed punish for a specified crime, show the essence of a legally prescribed punishment for a specified crime and the value in the justice practice.