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Complex system integrated health management (CSIHM) technology is developed from the fault detecting, isolation and reconfiguration (FDIR) technology; which is the integrated application of the advanced reasoning technology, artificial intelligence technology, sensor technology and information management technology. CSIHM can effectively manage the health states of many kinds of complex system for reducing the maintenance cost of an overall system and make sure the accomplishment of mission and the safety of crews by detecting the system malfunctions earlier and make deal with them automatically. Recent years, most of presented health management models, such as ISHM, IVHM and PHM etc. can be put in the category of CSIHM. This paper firstly presents the goal which CSIHM must be achieved and its activities, and then has an analysis and comparison of some representative CSIHM architectures combining with some typical cases emerged from their development course, at last presents that use the technique of concurrent engineering to conduct the design of CSIHM and the design of complex system managed by CSIHM simultaneously, the design of user interface and the development of core engine is the difficulties and hotspot problems in the research of CSIHM architecture.