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Power Fiber optic cable network is related to the safety of power production and operation. Compared with the public communication Fiber network, the reliability requirement of power communication network is higher. Power optical cables usually share the same route with transmission and distribution lines, such as OPGW and OPPC, They directly reflect the temperature and stress of the line. Combining with the key factors affecting power optical cable network, introduces the persistent principle of main monitoring parameters, analyses different monitoring modes according to different scenarios, provides the construction and development ideas of distributed integrated measurement platform development, normalizes the monitoring results, and develops the system prototype, which has been successfully applied in South China Power Grid.