Power plant equipment maintenance strategy analysis method and system

The invention relates to the technical field of power plant equipment, in particular to a power plant equipment maintenance strategy analysis method and system. Comprising the steps of collecting operation state information of power plant equipment; performing maintenance diagnosis analysis on the equipment according to the running state information of the equipment, and determining whether the equipment needs to be maintained according to a diagnosis analysis result; wherein when it is determined that the equipment needs to be maintained, the equipment is shut down, and the equipment is maintained according to a preset maintenance period; when the equipment does not need to be maintained, the equipment is kept running continuously; and after the maintenance is finished, re-collecting the running state information of the equipment within the preset time, and determining whether the equipment needs to be subjected to secondary maintenance according to the re-collected running state information of the equipment