The interactivity features in the virtual reality scenes. Based on the technology of communications between Virtual Reality Modelling Language (VRML) and JavaScript, between VrmlScript and HTML, this paper realized the queries of data, properties, pictures, the simulation broadcasting of movies and television, the moving, turning, modifying of the scene objects, enriching the interactivity between viewers and virtual scenes, and facilitating the user's operation and cognition of such a technology.