Electronic device

The invention provides an electronic device, comprising: a housing provided with a first opening and a second opening; a card seat assembly which comprises a card seat, a card support and an ejectionstructure, wherein the ejection structure is fixedly connected with the card seat, the card support can be arranged in the shell or ejected out of the shell through the first opening, and the card support is detachably connected with the ejection structure under the condition that the card support is arranged in the shell; a key structure which is movably arranged in the second opening; and a connecting piece of which the first end is connected with the ejection structure, and the second end is connected with the key structure. In the moving process of the key structure, the key structure drives the ejection structure to be switched between a first posture and a second posture through the connecting piece; under the condition that the ejection structure is in the first posture, the ejection structure is clamped wi