Abstract: Considering the growth of virtual online browsing systems'demands in different industries,based on the fast development mode of visualization programming and the convenient network release of the virtual reality platform Virtools,a general realizing schema of fast building a virtual online browsing system is presented,and almost all the key technologies and the typical functions'realizing script schematic is listed in detail,including 3D scene optimization technology,autonomously interactive browsing realization method with mouse-driving and key-press driving,etc.Finally the feasibility and effectiveness of the proposed method is verified by a practical case,showing that it can provide good technical support for the professionals of various fields to develop the browsing systems'network applications.