The video monitoring system is the latest development trend of the digital age, and the remote video transmission is the main research content. In this paper we take the industrial field as the research background, with C# as its development environment, sending video information collected by Haikang camera to the remote server database by Socket, so the remote personnel or personnels can get the video data on a remote server through WCF, achieving the function of remote video transmission and real-time video display. And the host computer to establish a Socket again for XML to transmit flag with the remote client.