An electronic device includes a keypad, and a body having a touch screen. The keypad attached to the touch screen, includes an obverse surface and a reverse surface. A protrusion is protruded from the obverse surface and is configured to receive user input operation, an attaching member is mounted on the reverse surface and is configured to attach the keypad to the touch screen, a hollow portion is defined in the reserve surface corresponding to the protrusion, and a pressing member is mounted in the hollow portion and is configured for touching the touch screen when the protrusion is pressed.