The invention provides an intelligentized switch cabinet monitoring system. The intelligentized switch cabinet monitoring system comprises a linear displacement sensor, a magnetic balance type hall current voltage sensor, an infrared video monitoring device, an acoustic surface wave temperature measuring device, an insulation monitoring device and a control system; the linear displacement sensor is connected with a movable contact insulating pull rod of a circuit breaker, the magnetic balance type hall current voltage sensor is connected with an opening and closing coil circuit of the circuit breaker, the infrared video monitoring device, the acoustic surface wave temperature measuring device and the insulation monitoring device are all arranged in the switch cabinet, the linear displacement sensor, the magnetic balance type hall current voltage sensor, the infrared video monitoring device, the acoustic surface wave temperature measuring device and the insulation monitoring device are all connected with the control system. The invention further provides an intelligentized switch cabinet monitoring method. According to the system and the method, the mechanical characteristic parameter of the circuit breaker in the switch cabinet, data of real-time image, temperature, insulation and the like of main devices in the switch cabinet can be accurately acquired in an online manner, and the control system can give an alarm in time when abnormal conditions are discovered.