A power management system was designed according to the requirement of the integrated,modular aircraft core processor.Based on parallel power supply mode,the distributed power architecture is adopted in the system.The power transformation unit,switch array unit,intelligent control unit are designed,and intelligent management software is integrated with communication protocol.Over current protection, independent electric control,current/voltage and temperature acquisition,interactive communication control and current sharing techniques are implemented,and intelligent management,state monitoring,fault recording,and redundancy and load sharing are realized,which can improve digital and intelligent level of the power management system.The system is safe,reliable and stable,and has been verified by engineering application.