Charging pile power supply line and charging system

The utility model discloses a charging pile power supply line and a charging system, the charging pile power supply line comprises a power supply busbar and at least one joint, the joints are arranged on the power supply busbar at intervals, each joint is correspondingly connected with one charging pile, each joint comprises a wide part and a narrow part connected with the wide part, the wide part is fixedly connected with the power supply busbar, and the narrow part is fixedly connected with the power supply busbar. And the narrow parts are fixedly connected with cables of the corresponding charging piles. According to the technical scheme, the power supply busbar and the multiple connectors connected with the power supply busbar are arranged, each connector is correspondingly connected with one charging pile, large-current power supply of the charging piles can be achieved, the cable consumption is greatly reduced, the cable manufacturing cost is reduced, the power transformation box power supply loop is re