Power consumption query and payment method

The embodiment of the invention discloses a power consumption query and payment method. The method comprises the following steps that: an industrial personal computer receives a power consumption query request which comprises a user identification number; the industrial personal computer sends the power consumption query request to a power marketing service server, and the power marketing service server queries power consumption; the industrial personal computer receives a query result from the power marketing service server and displays the query result through a display terminal; the industrial personal computer receives a payment request which comprises the power consumption query result and the user identification number; the industrial personal computer receives union pay card information which is input by a user; the industrial personal computer sends the payment request and the union pay card information to a union pay transaction platform for processing; and the industrial personal computer receives a