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Electromechanical system is an important system to ensure the normal operation of the aircraft. In order to improve the reliability of the double redundancy electromechanical management system, this paper studies on the techniques of system fault-tolerance and reconfiguration management, and present a design of Channel-Failure-Logic for airborne double redundancy electromechanical management system. The features of this design is it takes the self-monitoring strategy as the core, and combines the other channel’s auxiliary monitoring and forced resection, to realize accurate location and effective isolation of failure, thereby avoiding the further diffusion of failure effect. Meanwhile, the design has the function of fault reset, which can improve the redundancy of the system. Analysis and simulation results show that, this design can effectively improve the stability and reliability the double redundancy electromechanical management system, and it can be applied to higher redundancy system, thus it has a good application prospect.