The invention belongs the field of a socket and provides a desk socket structure directly installed on a desk, for solving the problems of untidiness, ugliness and difficult cleaning and the like caused by placement of various electrical appliance wires on the ground below a desk in the prior art. The socket structure comprises an upper socket, a lower socket and a connecting piece connecting the upper socket with the lower socket, wherein the upper socket is arranged at the upper portion of a desktop, the lower socket is arranged at the lower portion of the desktop, the side surface of the connecting piece is provided with a power supply input joint for inserting a power plug, the upper end of the connecting piece is provided with an upper joint in electrical connection with the upper socket, and the lower end of the connecting piece is provided with a lower joint. The desk socket structure has the following advantages: the structure is simple, and when a socket is designed and installed on a desktop plate, some power lines on the socket are not scattered on the ground, such that the desk overall environment is more beautiful, the safety performance is better, and space under the desk can be conveniently cleaned. At the same time, upper and lower socket control switches of the socket are arranged on the desktop so that control is facilitated.