The invention provides a quick spare power automatic switching debugging monitoring device, and the device comprises a housing, a power module, a buscouple testing module and at least one circuit testing module, wherein the power module, the buscouple testing module and at least one circuit testing module are disposed in the housing. The circuit testing module comprises a circuit switching-on control module, a circuit switching-off control module, a circuit voltage control module, a buscouple feedback module, a circuit opening terminal disposed on the housing, a circuit connecting indication module, a circuit disconnecting indication module and a circuit hopping module, wherein the circuit connecting indication module, the circuit disconnecting indication module and the circuit hopping module are all connected with the power module. The buscouple testing module includes a buscouple switching-on control module, a buscouple switching-off control module, a buscouple voltage control module, a circuit feedback module, a buscouple opening terminal disposed on the housing, a buscouple connecting indication module, a buscouple disconnecting indication module and a buscouple hopping module,wherein the buscouple connecting indication module, the buscouple disconnecting indication module and the buscouple hopping module are all connected with the power module. The device provided by theinvention is scientific in design, is high in practicality, is simple in structure, and is convenient to use.