A distributed standby power management switch system and a method of use thereof are provided. The distributed standby power management switch system includes a power management switch, at least one standby power management switch, and a loading circuit. The power management switch is connected with the commercial power supply. The at least one standby power management switch is in communication connection with the power management switch and connected to a standby power supply set. Through the loading circuit and a wireless loop or cabled carrier wave to carry out electricity switching, the commercial power supply and the standby power supply set share the same loading circuit for automatically electricity switching. The power management switch and the standby power management switch of the distributed standby power management switch system may automatically switch with each other and may be set with timed switching or may be switched by using a portable device.