The Study On The Activity Which The Spy's Control Officers Did In The Wei-jin-north-south Dynasty

In this paper, based on the view of the systematic theory, this text think: the wei- jin-north-south Dynasty, because of specific historical condition at that time ,feudal to control field appear a kind of new phenomenon—control officer of spy's nature ,for example "xiao shi" in wei and wu kingdom. This text attempts to demand the historical reason which presents this kind of phenomenon, and probe into spy's control mechanism of controlling the officer of nature deeply, analyse on this basis that it controls characteristic of the activity , discuss its advantages and disvantages.