R&D资金投入是最重要的科技经费投入,在我国经历了不同政策定位的发展过程.20世纪90年代国家高层决策,要加大科技投入,并规定了R&D资金投入的指标,经过18年的努力,才达到原定10年要实现的愿望.文章在分析我国R&D资金投入经历的政策定位的基础上,对增加R&D经费投入进行思考,提出了一些想法.“,”Fund input on R&D can be regarded as the most important investment in the process of technological development in China. Early in the 90s of last century, policies had been carried out by the government that input focusing on technology & science, should be raised, and input targets were also set up. It was not until 18 years later that the ten-year plan were realized. In this paper, the author reveals his personal thoughts on such R&D changing policies.