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Traditional full authority digital electronic control (FADEC) system of aero-engine generally utilizes the centralized architecture. Nevertheless, the system degrades rapidly. Furthermore, it is difficult to reuse the modules and upgrade the software. With the increasing number of control variables and complexity of control function, disadvantages of the centralized architecture are obvious. A new kind of architecture with modular hardware based on ARINC659 and open FADEC system is proposed. The implementation scheme, timing plan, voting mechanism and reconstruction strategy are presented. Experiments and applications indicate the advantages of this technique. Compared to the centralized system, this architecture is more conducive to system reconfiguration, slow degrade, improved reliability, convenient software/hardware module reuse and upgrade. Research results have been successfully applied to a certain type of FADEC system .