| The legal implementation is more important than the legalmaking. If we want to understand truly the Chinese ancient law, had to understand its judicial system and its concreteimplementation. The Wei Jin Southern and Northern Dynasty is a important stage in Chinene legal history,this text basing on the exposition of each judicial system origin, the development and characteristic of the Southern and Northern Dynasty , attempts to discuss its advantages, disadvantages and its origin, in order to provide some beneficial enlightenment for the judicial reform of today. |