As a fundamental criminal principle legalized by modern countries ruling by law, the criminal trial central principle has been embodied in the criminal procedure in worldwide nations attributing to two legal systems.

The indictment-only doctrine in criminal procedure of Japan,the resulting product of adversary system,follows judgment centralism,guarantees the materializing of court trials,and realizes the directness,speech and antagonism of court trials,so as to ensure justice.

On how to implement the policy of" education, probation and saving " in the criminal trial of juvenile crime;

In former juridical practice,be limited by the doctrine of country power,judex s judicial idea,dis- temperedness of trial mode and lack of system design,the criminal trial still need to be perfected in various ways.

The criminal trial,as a kind of form to realize justice,contains rich and varied beauty,among which the dramatic beauty is the most remarkable.

It is very important to pay more attention to the minorities customs in criminal justice in ethnic-minority areas.

From several kinds of typical criminal justice systems of Britain,U.

Although "Objective Truth" doctrine has some rationality,however in which criminal justice is only seen as a kind of cognitive movement and the bourn between cognitive movement in lawsuits and that of philosopher,historian and natural scientist is also obliterated.