A method and apparatus for processing biometric information in an electronic device including a processor that operates at a normal mode or at a secure mode, the method comprising, detecting a biometric input event from a biometric sensor module at normal mode, creating biometric data based on sensed data from the biometric sensor module at the secure mode, performing biometric registration or biometric authentication based on the created biometric data at the secure mode, and providing result information of biometric registration or biometric authentication at the normal mode.