| In the Pass, the Guanjin of ancient dynasties is set up in the border or critical terrain as the national defense, law and order of institutions, although it is the management of ending, but in the country's political life and the daily life of ordinary people, it plays an important role. Through this institution, the center controls and manages localities, maintains social order and stability. This article discussed related issue of the Han and Tang Guanjin from four parts.The first part, according to the historical documents and archaeological finds of the Guanjin to analysis the origin and system of the Guanjin. It believed that the Guanjin accompanied the concept of state to appear .It has some form of construction, it has higher requirements in site selection. The second part , it brief ly introduced the Guanjin form the former Qin Dynasty to Sui and Tang dynasties, it was briefed that the establishment of Guanjin peak period was from the Chunqiu and Zhanguo period to the Qin and Han dynasties in ancient China, the Guanjin of generations are basically continuation of this period. It set up according to the actual strength of the dynasties. This article analysis Guanjin of the Tang Dynasty about its home-related changes as Focus. It is believed that strategic passes of the Tang Dynasty are many grades; it is reflected in perfecting and refined performance of localities management system. The third part, it analyses Guanjin about its measures of management and system .It is thought that rules and regulation as well as system of Guanjin were gradually formed from pre-Qin period. Qin and Han Dynasties were the stage of formation and improvement. The Sui and Tang Dynasties are the period of final settlement. The Tang dynasty of Guanjin management is more standardized and strict than Han dynasty in both depth and breadth .The fourth Part, the article expounds the related functions of Guanjin from the national defense, law and order, economy, culture to foreign affairs. It reflected that the Guanjin played important status in the country's political life and the daily life of the people .Management system is an important part in the ancient China. Through understanding the Guanjin of Hang and Tang, it helps us to understand and grasp our ancient Chinese ancient history, especially, ancient transportation, military, economy. |