The utility model provides an intelligent power controlling device. The intelligent power controlling device comprises a box with an intelligent control circuit board, the intelligent control circuit board comprises an embedded SOC measurement and control chip, 220V AC 50Hz power utilization interface, a voltage sampling circuit, a current sampling circuit, a power utilization control circuit, a crystal oscillator reset and button circuit, a power supply circuit, a data storage circuit, a display circuit, an infrared communication circuit, a 485 communication circuit, an interface circuit and a JTAG debugging interface, and the voltage sampling circuit, the current sampling circuit, the power utilization control circuit, the crystal oscillator reset and button circuit, the power supply circuit, the data storage circuit, the display circuit, the infrared communication circuit, the 485 communication circuit, the interface circuit and the JTAG debugging interface are connected with the embedded SOC measurement and control chip. The intelligent power controlling device can measure the service power and electric quantity of at most two accessed electric appliances, and detects and controls the power utilization specification of one electric appliance at the same time, and the intelligent power controlling device is characterized by being small in size, low in cost, high in reliability and simple and safe to use.