Scientific and technological innovation and economic development pivotally lies in talents. Currently，the overall level of R&D personnel in our country could not compared with that in the advanced countries in the world and cannot be adapted to the needs of economic and social development in many respects. The problem of lack of research and development talentsespecially basic R&D personnel，weak innovationability and other human resources problem are still outstanding. According to the analysis of the current situation in R&D personnel in Chongqing，by deeply discussing the problem of constructing and training the R &D personnel，based on the international and domestic experience of development of the R&D personnel，the authors propose suggestions about strengthening the construction and cultivation of the R & D personnel in Chongqing，so as to provide a reference to realize the sustainable development of the R&D personnel.