Redundancy control method and device of spraying liquid cooling system

An embodimentof the invention discloses a redundancy control method and device for a spraying liquid cooling system. The redundancy control method comprises the steps of: starting and operating a first control system and a second control system, and detecting whether the first control system and the second control system have faults or not; if the first control system and the second control system have no fault, controlling the first control system and the second control system to perform polling operation according to a preset operation rule; if the first control system breaks down, controlling the second control system to continue to operate, and controlling the first control system to shut down; and if the second control system breaks down, controlling the first control system to continue to operate, andcontrolling the second control system to shut down. According to the redundancy control method and the device of the invention, the redundancy automatic control of the spraying liquid cooling system is real