Abstract:The manor is the manifestation of the lord mobile bet365 in the field of agricultural production，The lords used feudal power to enslave serfs and free peasants to produce their daily necessities。Manor management embodies the dualistic characteristics of the lord’s mobile bet365 in which both livelihood and profit are equally important。The city is the manifestation of the lord mobile bet365 in the industrial and commercial field；The lord leases urban land、Market，Transfer of feudal power and other methods，Get a lot of money from the city；Urban management reflects the economic characteristics of the lords’ coexistence of market expansion and tradition maintenance。Feudalism is the manifestation of lord mobile bet365 in the field of income distribution；Various rights and obligations surrounding feudal relationships，Like a knight、Shield Money、Assistance Fund、Inheritance money、Wedding money, etc.，In the end, most of them are realized in monetary terms；The economic game between lords is the external manifestation of feudal relations。Therefore，Lord mobile bet365 in the feudal era，Because of power、morality、Market、Currency and other factors are embedded in each other，Shows the characteristics of coexistence of real mobile bet365 and formal mobile bet365。

　　Keywords:Lord mobile bet365 Manor City Fengjun vassal

　　Author Huang Chungao，Professor, Department of History, Peking University (Beijing 100871)。