Zhexi communicated closely to the Central Government and the adjacent Chieh-tu Shih in the development process, with the rise and fall of Zhenhai Army, it showed the transition between Tang and Song Dynasty.

Jun Zhen replaced the System of the town of garrison troops,and they not only had the early-stage alarm function,but had the defensive function.

According to adjustment of national export tax drawback policy on July 1,2007,this paper describes the pressure of policy adjustments on the eastern coastal areas,and analysis the impacts of economic operation in Zhenhai from Exports aspect and revenue aspect,taking Zhenhai district in Ningbo as an example,and makes some recommendations for improvement.

This article which take the army of Zhen song as an example,try to do a case study on the bandit behavior of armies within the boundaries of Henan and Shaanxi province in the period of the Northern wa.