Practical cup

The invention discloses a practical cup comprising a cup body, a plug which is connected with the cup body through a line and a socket which is cooperatively connected with the plug. The right side end surface of the cup body is fixedly provided with a cup handle which is fixedly provided with a leather sheath. The cup body is also provided with a timing device. The timing device comprises a timerand a loudspeaker. The socket is provided with a slide cavity of which the port faces the right. The slide cavity is smoothly provided with a slide block. The slide block is vertically and correspondingly provided with inserting slots of which the ports face the right. The inserting slots are provided with first electric pin pieces. The left end surface of the slide block is fixedly provided withan electrifying plug pin. The left end wall of the slide cavity is provided with a plug pin slot which is matched with the electrifying plug pin. The upper and lower end walls of the slide cavity arecorrespondingly provided w