Abstract: A gate management system for controlling an operation of a gate of a vault including a biometrics information management device having a first memory, storing biometrics information of at least a first and second persons, the first person being required to be accompanied with the second person to pass through the gate and the second person being able to pass the gate alone, a gate management device having a second memory, temporarily storing biometrics information of the first and second person in the second memory, and comparing the temporarily stored information with the information stored in the first memory, a controller controlling an operation of the gate based on a result of the comparison performed by the gate management device.