The invention provides a socket. The socket comprises a first shell, a second shell, a power line and a universal serial bus slot, wherein the first shell is provided with a conductive pin for receiving a power supply; the second shell is provided with a conductive jack into which a plug of an electrical product is plugged so as to supply power to the electrical product, the second shell is coupled with the first shell by the power line and the universal serial bus slot is formed in the first shell. The socket provided by the invention has the advantages that the structure is simple; since the universal serial bus slot is formed, a data storage device of a universal serial bus is conveniently and externally connected so as to carry out data access action, so that the application prospect is good.