The invention discloses an electronic device with a camera protection function and a method. The electronic device comprises an input unit, a power supply, a processing unit and a camera. The input unit is used for receiving the verification input operation of a user; the camera comprises a display screen with electric control liquid crystal light modulation. The processing unit comprises a receiving module, a verification judgment module and a power supply control module, wherein the receiving module is used for receiving the verification input operation of an input unit, the verification judgment module is used for judging whether the verification input operation is correct, and the power supply control module is used for controlling a power supply to supply power to the display screen to drive the display screen to become transparent when the verification input operation is correct. When the electronic device and the method in the invention are used, the invasion of a hacker can beprevented.