Abstract: This article designed and developed type of health monitoring system for the Largescale crane, which was composed of fiber sensoring subsystem, demodulator subsystem, health diagnosis and management subsystem. The health monitoring diagnosis subsystem and management subsystem were composed of following submodules, basic parameters module, data acquisition module, data processing module, data display and review module, data diagnostic module and equipment Information management module. Using this system made the complicated and difficult date acquiring more reliable, safe and convenient and ensured the longtime realtime monitoring under various surrounds and loadings.