Compared with science and art, technology is no doubt the direct force of social change. But the generation, evolution, and the specific role in particular circumstances of time and space, which the technology takes place, are all derived from the scientific basis who depends on. The pursuit for beauty, not only the function of technology and its carrier tools the human being quest, but also the aesthetic feeling we pursuit, is a spiritual needs of highlevel. To create a beautiful world is a necessary requirement of people to achieve its own need .In the other hand ,it’s also the essential requirement to the technology function. To go after the beauty of art and to promote the technology being perfect, also determines the right direction of technology improvement. After all, artistic pursuit becomes a kind of obvious and growing features in technology development. Science, technology and art, are the three kinds of important dimensions to evaluate human behaviors. The Scientific dimension is to evaluate the theory possibility of human behavior. The technical dimension is to evaluate the practical feasibility of human behavior. The artistic dimension is to evaluate the ideal or aesthetic degree of the behavioral outcome. The unification of science, technology and art shows their aesthetic aims, what’s more, it embodies the class essential and nature of human.