At present,whether use the free heart proffer still exists the argument in did our country evidence system,This article discussed the judge free heart proffer from the theory and the historical angle,which does not rely on the law but the objective existence,the free heart proffer only had the rational problem.

We should introduce altitude general view principle and make judge sure principle, and accept direct testimony of witnesses.

The Supervising Rules of Discretional Evaluation of Evidence;

Discretional Evaluation of Evidence in Drug Cases;

In China,the discretional evaluation of evidence under the verification mode in the criminal procedure values the case truth and it legislatively features relatively high standards of proof.

Between Freedom and the Regulations——The comparison study of the free proof of the two law families;

By the free proof technology and the valuation of the evidence probability,the laws of the experiences will transfer the hidden transcript to the public transcript which gear to the justice feeling of the people.

Furthermore,the enforcement of referees is similar to the free proof of judge.

The evidence system of free evaluation has opened up a new chapter of mankind lawsuit history by using its unique quality.

The evidence system of free evaluation has solved the contradiction well between the subjective initiative of proving the subject and the law limiting to proving the course.

The principle of free evaluation of evidence involves two major parts: free judgment and inner conviction.