The invention provides a charging control system, which includes a charging demand acquisition unit used for acquiring the charging demand of quasi-charging equipment connected into a phase line, an analysis unit used for receiving the charging demand, calculating the idle current and/or the available current and obtaining the quasi-charging current according to the idle current and/or the available current, and a control unit used for starting or closing the charging function of the quasi-charging equipment according to the quasi-charging current, wherein the idle current is the difference between a first current adjustment threshold of the phase line and a first real-time power load, the available current is the sum of the idle current and the current adjustment value, and the current adjustment value is the sum of the adjustable current values of all charging equipment in the phase line, and the adjustable current values are the differences between the charging currents of the charging equipment and the current start value. According to the charging control system of the invention, the quasi-charging current is calculated according to the idle current and/or the available current, the opening or closing of the quasi-charging equipment is controlled according to the quasi-charging current, and intelligent charging control in communities is realized.