An electronic device is provided, including a main body, a display module pivotally connected to the main body, a first magnet in the main body, a second magnet in the display module, a lever movably disposed in the main body, and a joining member movably disposed in the main body and connected to the lever. When the display module and the main body are folded, the second magnet attracts the first magnet, and the lever pushes the joining member to protrude from the main body and join with the display module.