An electronic device includes a support element, a second cover, a second guiding element and including a pushing element. The support element includes a first cover and a first guiding element. The first guiding element is connected to the first cover. The second guiding element is slidably jointed to the first guiding element to move relative to the first guiding element in a direction and is connected to the second cover. The pushing element is connected to the second cover and configured to push against the support when the second cover rotates relative to the second guiding element to make the support element move relative to the second guiding element.