The utility model belongs to the technical field of electric vehicle charges, concretely relates to pay charging system and charging method an intelligence charging system that pays, includes the module of charging that inserts the electric wire netting and supply power, its characterized in that to the vehicle: still include power discernment and charging module, interaction module, the network module with connect and the control module of charging, interaction module, network module and the intelligent control module of power discernment with the charging module, wherein power discernment and charging module are used for discerning the type of charging, power and the battery information of charging and the required charge time and the expense of importing through these information and user of the required power consumption calculating of charging vehicle of vehicle this intelligence charging system that pays and charging method have simple to usely, easily promote, have more characteristics such as justice of exchange nature.