Along with the application of 3D visualization technology becoming more and more extensive, the problems become the obstacle of restricting the development of 3D visualization of seismic data. For example,the amount of information of 3D seismic data is too much, the computation of 3D visualization rendering is too large and rendering speed is too slow. This paper based on the Open Inventor VolumeViz, through the conversion of 3D seismic data storage format, it achieves the storage of a large amount of data, through the automatic control of the resolution ratio, it reduces the amount of computation. And finally with building the scene database and rendering scene, it finishes 3D visualization of seismic data.