Abstract: The institution,opening the obiter dictum,arises from AngloAmerican legal family countries,while,excluded by the continental countries.The large difference reflects their different institutional styles.In China,the publication of obiter dictum has bigger practical significances:it can avoid Full Court Review process being a mere formality and strengthen judge's responsibility and publicity of court's judicial activity,heighten judicial authority,etc.

Key words: judge, the obiter dictum, judicial authority, judicial cost