Abstract: The remarkable features of the frontiers of advanced mechanical engineering science are presented. On one hand, mechanical engineering science is intersected with information technology, materials science, management science and life science; on the other hand, it is progressing and developing through solving creatively key scientific problems in mechanical engineering. The principles of selecting priority fields of mechanical engineering in National Natural Science Foundation of China in the coming five years are proposed.

Key words: Mechanical engineering, Priorities, Science frontiers