The early monarchs of the Yuan Dynasty, from Genghis Khan to Kublai Khan, especially the latter, were greatly interested in enlisting medical experts to the royal court, and thus came the well organized Royal Medical Institute and the Three Emperor Temple (sanhuang miao), which was a unique medical establishment of the Mongolian administration.

The administrative reform of Ivan IV of Russia mainly includes three measures: establishing coronation,setting up a "Senior Official Rada" system and the establishment of official departments among which the establishment of Tsarist system and official departments had a far-reaching impact on the Russian society.

Qin dynasty administrative institution,which consists of sovereign institution,central authority administrative institution,and local administrative institution,strenghtened the feudalism country s unification and made development in politics,economy,culture and military affairs.

Oweing to the fact that the crown prince was the coming emperor, the foundation of the nation, there had been various kinds of contradiction and confliction with the throne since the crown prince system had come into being.

A Research on the Emperor s Ancestral Temple Sacrificial Ritual System of the North Wei Dynasty;