An electronic device is provided, including a main body, a bottom shell, and an electrical connection port. The bottom shell is pivotally connected to the main body, and the electrical connection port is disposed on the bottom shell. When the bottom shell is in a closed position relative to the main body, the electrical connection port is covered by the main body. When the bottom shell rotates from the closed position to an opened position relative to the main body, an opening is formed between the main body and the bottom shell, and the electrical connection port is exposed to the opening.