Electric vehicle charging station system

The utility model discloses an electric vehicle charging station system, comprising a monitoring system, a direct current charge and discharge pile and an alternating current charging pile. The direct current charge and discharge pile and the alternating current charging pile are connected with the monitoring system respectively. The direct current charge and discharge pile comprises a direct current main control board, an AC/DC module and an inverter module. An input end of the AC/DC module and an output end of the inverter module are connected with commercial power through an incoming breaker respectively. An output end of the AC/DC module and an input end of the inverter module are connected with a direct current charging interface respectively. Normally, an electric vehicle can be charged by selecting an appropriate interface based on a self specification of the electric vehicle. The AC/DC module converts commercial power into direct current which is provided to electric vehicles. In case of emergency, th