Abstract: In view of the importance of the virtual campus on constructing the digital and information university, the roaming and interactive technology of VRML are studied with Shijiazhuang railway institute as an example. Building the scene with VRML and 3DMax, taking JavaScript as the programming tools of VRML SAI and EAI, the virtual campus system is implemented through the integration of VRML and HTML. The system has the functions of roaming, interactively manipulating the objects and searching the related message. The system visually displays the landscape and facilities of campus, provides convenience for consumers to inquire information, and is of good effect.

Key words: computer application, virtual campus roaming system, VRML, script interface