Film Animation specificity production, at present, its production tache in the video visual effect becomes more and more important. As the expansion of the computer in video field and the increasing of the software production, the limitation of filming has been expanded by the 3D digital vision technology. It can make up the shortage of filming from the visual effect. To a certain degree, it is much cheaper to use the computer than that real filming. At the same time, it can save the time for cost budget, outer door scene weather and seasonal variation.