A foldable electric device includes an upper member, a lower member, a fingerprint recognition module, a sensing unit, a control unit, and a power unit. The upper member and the lower member are pivoted with each other. The fingerprint recognition module is positioned on the upper member. The sensing unit is responsive to a motion of flipping the upper member so as to generate an enabling signal. The power unit distributes power to the control unit and the power unit according to the enabling signal, so that the control unit can compare the fingerprint characteristic information with the preloaded fingerprint data when the fingerprint recognition module captures fingerprint characteristic information. When the fingerprint characteristic information and the preloaded fingerprint data are matched, the control unit notifies an operating system to execute a boot process, and the fingerprint characteristic information serves as a basis for logging in the operating system.