Abstract: In a certain sense,social relationship is a kind of social network consisting of more levels of power relationship.The power relationship forming under the certain social renationship has its basic attribute:its attribute of extension,comprehension,indomitable and purposeful,effective character,potertial character,service and responsibility character,symmetry and non-symmetry character.The general attribute of the power relationship decided that authority must act according to the power ethic and power morals.Compared with the general ethic and morals,power morals has its own basic characteristics:the political character of the content of power ethic responsibility of the nature,publicity of the form,modality of the function and variety of the role.

Key words: power relationship, power ethic, power morals, general attribute, basic characteristics