In order to make the PPT presentation of the user control the speech draft more convenient and efficient in work or study, to enhance the efficiency of work or study, this paper presents the design of the wireless control system model of showing PPT based on socket transmission, and realizes the model using a variety of popular computer technology. The working principle of the system model is that the user transmits the control information encapsulated in the socket to the server by the android mobile phone, and controls the PPT showing in the wireless way. At the same time, the design model presented in this paper can be widely used for the design and development of various mobile terminals to control the personal computers.