Self -service inquiry terminal of power consumption information and system

The embodiment of the utility model discloses self -service inquiry?system of power consumption information and terminal, the system includes: charges of electricity request module, display element, printing unit, comparator and treater, the comparator for contrast the foundation with each item data in user's the historical power consumption data and the default that matches with it the instruction fetch order is transferred in comparative result output suggestion, the treater is used for the foundation the suggestion transfers the instruction fetch order to transfer suggestion information in the database and optimize the power consumption recommendation in order to generate by presetting, behind the optimization power consumption recommendation display command that obtains user's input, with it sends to display element and shows to optimize the power consumption recommendation, predetermine in the database storage have predetermined with the suggestion transfers instruction fetch to make the suggestion infor