The present disclosure relates to techniques of electronic components and, for example, to a power plug and socket. A power plug and a power socket working together with each other are provided. The power plug includes a body, at least two AC plug terminals fixed inside the body, and two DC plug terminals fixed inside the body. Each of the AC plug terminals and each of the DC plug terminals are respectively connected to separate connecting wires. The power socket includes a base. The base is provided with a base cavity. Shape of the base cavity is adapted to shape of an insert end of the body. The base cavity is provided with AC socket terminals corresponding to the AC plug terminals one by one and DC socket terminals corresponding to the DC plug terminals one by one.