A sensing optical fiber acoustic emission integrated sensing system and method for monitoring the safety of a structure which comprises a sensing optical fiber temperature interference removal device and a sensing optical fiber acoustic emission demodulation device. A sensing optical fiber (206) successively passes through the sensing optical fiber temperature interference removal device and the sensing optical fiber acoustic emission demodulation device. A distributed sensing optical fiber acoustic emission regulation and control device for sensing the degradation of structure performance is integrated with a sensing optical fiber acoustic emission sensing system with multiple complex devices, multiple functional modules and multiple interconnection components.