宋辽金元建制城市研究

It was the period of rapid changes for China's city in Song, Liao ,Jin and Yuan dynasties. It manifests importantly that the city's management system had undergone significant adjustment. The city or the county management before turned to the police patrol institute in Liao dynasty and the police patrol institute, the courtyard, specialized agency department management for the courtyard in Jin dynasty. The city had clear administrative boundaries, scope and perfect functional urban administrative organization. The administrative agencies of the city and ones of the suburbs or out of Beijing county had obvious separated, which showed the progress of the society and promoted the development and evolution of the city.