With the continuous development of information technology, real-time audio and video communication is becoming more and more important in people's daily life. At present, there are a lot of software with audio and video communication function in the market, such as Tencent QQ software, wechat, nailing, etc. these software are developed with C / S architecture, and can not achieve cross platform and cross terminal. Users need to download the software to carry out audio and video communication. In view of this, this paper uses webrtc technology based on ice framework to realize the design of remote audio and video communication system, completes the internal network penetration, establishes the communication process between clients, designs room server and signaling server for conversation, and completes the design of remote network audio and video communication system.