Since 1978, technology import aggregate amount and R&D input of China increase very fast. Based on current litera-tures, after discussing the effect of technology import on R&D input from the angle of the aggregate amount and structure, some conclusions are drawn. On the aggregate amount , R&D input benefits to the technology import increasing, while technology import doesn't cause the R&D input increasing. There is a stable relation between them in the long term. On the structure, the effect of technology import on R&D ...