In rich and great ancient Rome law, We can note: Some special system, it was different with the strict attention over-detailed formalities ancient times legal system, it looked like one to surge in the Roman law history perpetual flow running water which slow inundated, it was in the Roman law judge system.

Therefore, an exact understanding of the word of praetor should be done according to different period and function and we can translate it to judge, but better as vice-executive.

The logical relations between the concepts of legal fact and fact,objective fact,legislative fact and adjudicative fact are the legal fact research basic clues.

From the viewpoint of procedural law,adjudicative facts are the facts filtered through procedural rules;from the viewpoint of evidence,adjudicative facts are the facts reproduced according to the evidence rule on the basis of the objective facts;from the viewpoint of substantive law,adjudicative facts are the facts trimmed acco.