A socket assembly includes a socket body, a connecting line and an electrical connector. The socket body comprises a panel and at least one socket unit. The socket body is provided with a receiving trough. One end of the connecting line extends into the inside of the socket body. The electrical connector is connected to the other end of the connecting line. The connecting line and the electrical connector are stored in the receiving trough or extend beyond the receiving trough selectively. Via the above arrangement, the socket assembly of the present invention can provide a connecting line and an electrical connector to facilitate the user to quickly connect electronic products. Further, when the connecting line and the electrical connector are not in use, they can be stored in the socket body and thus may not cause clutter and disturbance.