A monitoring and load controlling system for a switchboard, according to one embodiment of the present specification, comprises: a gateway which acquires respective temperature information of circuit breakers included in a switchboard, and respective current amount information of lines corresponding to the circuit breakers, acquires respective capacity information of the circuit breakers on the basis of the acquired temperature information, and, on the basis of the acquired capacity information and current amount information, detects a circuit breaker corresponding to a line in need of load regulation; and a load controlling device which regulates the load of said line by stopping the operation of at least one device among devices connected to the detected circuit breaker.