The invention discloses an intelligent control circuit for a circuit breaker. The circuit comprises a first control chip, a second control chip, a line loss module, three groups of conditioning circuits, a frequency sampling circuit, a clock circuit, a first storage circuit, a second storage circuit, a first signal input circuit, a second signal input circuit, a control output circuit, an AC/DC conversion circuit, a battery charging control circuit, a battery, a battery voltage measurement and loading circuit, a voltage stabilizing circuit, a motor driving circuit, an encryption module, a GPSmodule, a WIFI module, a temperature and humidity module and an indication output circuit. The circuit is simple in structure, complete in function, reasonable in design and convenient to operate andmaintain.