Since the establishment of the modern art education in China, there has been no remarkable change happened in the traditional teaching mode of painting in colleges. And the simple form of painting expression could not meet the rapid development of science and technology currently, and it could not meet the tendency of culture diversity, either. The primary method, which is to solve the problem of simple teaching method in traditional art education, is that, on the basis of combining with traditional skilled trainings, we ought to make full use of digital technology and seek more diversified forms of artistic expression. This training method has been generalized tentatively, as a result, diversified art styles have emerged in students' works gradually, and the number of students' works, selected by national exhibitions of all levels, has been increased.