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In view of the automation control and diagnosis requirements of the digital production line, combined with the current intelligent manufacturing background, the digital production line equipment group is taken as the research object, the equipment group health management system structure is analyzed, and the PHM-based digital production line health management system is designed and developed. Firstly, it draws on the PHM technology architecture of OSA-CBM, proposes the PHM architecture of the digital production line equipment group, and then applies the configuration technology to design and research the equipment group monitoring system in the structure to realize the integrated application of asynchronous and heterogeneous data. The comprehensive diagnosis platform and health management platform for fault diagnosis are analyzed.