An electronic device comprises a first body, a second body, hinge structures, first fasteners, second fasteners and first elastic parts. The hinge structures are used for connecting the first body on the second body rotatablely. The first fasteners are arranged on the first body. The second fasteners are arranged in the second body and are matched with the first fasteners. The first elastic parts are arranged on the second body. One end of each first elastic part pushes against the second body and the other end thereof pushes against each hinge structure so as to push the hinge structure and the first body to move along the second body. The electronic device has the advantage of stable fastening.