The invention relates a dual-CPU based circuit breaker intelligent controller. The controller comprises a power supply unit, an acquisition unit, an input and output unit, a communication unit, a man-machine interactive unit and a processor unit. The processor unit adopts a dual-CPU structure, and consists of DSP and AEM; in the acquisition unit, 12-channel analog amount acquisition is carried out at the same time, and the sampling accuracy thereof is 16-bit; the input and output unit comprises a 16-channel input and 16-channel output; the communication unit takes the high-speed Ethernet as a main interface, other extension interfaces comprise RS232, RS485 and JTAC; in the power supply unit, each supply circuit is over the ground alone; the man-machine interactive unit comprises a liquid crystal display and cross press keys. On account of the anti-electromagnetic interference, in the invention, shielding measures and PCB anti-interference scheme are taken. The circuit breaker intelligent controller of the invention is suitable for complex control and status control of high voltage level circuit breaker, has good real-time and reliability, and can also be applicable to develop power grid atomization.