Electricity price query system and electricity price query method

The invention provides an electricity price query system and an electricity price query method. The system comprises an electricity price query module, a chart display module and a text downloading module, the electricity price query module comprises a domestic electricity price query module and an international electricity price query module; the domestic electricity price query module is used for querying first electricity price information of a target province in a query time period and sending the queried first electricity price information to the chart display module; the international electricity price query module is used for querying second electricity price information which corresponds to the target country and belongs to the target electricity price category, and sending the queried second electricity price information to the chart display module; and the chart display module is used for generating a first electricity price chart based on the first electricity price information; and generating a se