Abstract: Internet connects computers all over the world and provides people with chances to share data,pictures,videoes even real-time videoes. But it's impossible to get real interaction with distant places without such intelligent devices as robots. The combination of web and robot control technology gave birth to the concept of web-based telerobot. This paper presents a full introduction of the evolution,research status,main technology and realization,future work and application of the web-based telerobot.