A moving handrail disinfecting device for passenger conveyor which enables a reduction in burden of maintenance, leading to improved maintenance performance of the device, wherein information concerning the device is centrally managed in a management center so as to enhance shareability of information, leading to improved maintenance performance of the whole system, is a moving handrail disinfecting device 10 for disinfecting a moving handrail 5 of an escalator 1, having a disinfecting unit comprising a plurality of applying members 11 for disinfecting the surface of the moving handrail 5, being installed outside an inlet part 6A of the moving handrail 5, an applying member replacing mechanism, a disinfection solution supplier 24 and associated parts, a control unit 60 operable to control disinfection operations by the disinfecting unit based on a dirt detection state by a dirt detecting unit 40, and a communications unit 50 operable to send information concerning said disinfecting device 10 to an outside management center 100.
