The art and esthetics of 3D animation are so popular, it had be regarded as the main entertainment recently. Specially, the original and the esthetics are the core value of animation. In order to coordinate the flourish of animation movie industrial, the universities founded the animation relative departments, and have more than 50 departments until now. However, the most graduates' qualifies would not meet the requirements of the employers. Based on above observations, this research tried to depict the dominant knowledge of 3D animators of Taiwan. To establish their mental models and the core capabilities, which are the representation of 3D animators' dominant knowledge. The research method including interviewing the professionals of the 3D animators and sketch the tacit knowledge of their interview manuscripts, to draw the individual mental models and obtain the core capabilities. The result of our research is that the 3D animation professional capabilities include tree categories, i.e. the planning design, computer technologies and the career development dimensions. The planning design category contains the aesthetic, sketch and creative and so on 27 abilities. The computer technologies category contains the integration, application capabilities and so on 8 abilities. The career development category contains the commercialization, the global view and so on 16 capabilities.