The invention provides a parking charging management system comprising a charging unit, a special unit, and a validating unit. The charging unit comprises a pay-per-time charging module, a pay-on-timecharging module, and a pay-on-step charging module. The pay-per-time charging module is mainly used for selecting a pay-per-time charging validating period, and setting a pay-per-time charging execution time period and the pay-per-time charging fee; the pay-on-time charging module is mainly used for selecting a pay-on-time charging validating period, and setting a pay-on-time charging execution time period and the cost for per unit time; and the pay-on-step charging module is mainly used for setting a time period of each step and the charging fee of each time period, and continuing charging according to the pay-on-time charging module after all the steps of the pay-on-step charging module are executed. The special unit comprises a default module and a switch module. The validating unit isused for resetting the validating time when a charging unit is created, deleted, or added. According to the parking charging management system, the system is adapted to the park with manageability, particularity, customization, and professionalism; the fee calculating speed is fast, the accuracy is high, and the expandability is high.