本文通过文献检索 ,对 1994～ 2 0 0 1年间有关纳米粒子 (颗粒 )及粉体制备专题文献进行了统计分析 ,发现其制备研究在 2 0 0 1年达到高潮 ,本科院校和中国科学院各研究所为它的主要研究机构 ;其制备方法从传统的热化学方法发展到了电化学方法、光化学方法等 ;制备出的纳米粒子及粉体 ,有单一型的单质或化合物 ,也有复合型、包裹型的复杂纳米粒子 This article through the literature search, from 1994 to 2001 on the nano-particles (particles) and the preparation of the literature on the subject of a statistical analysis found that its preparation in 2001 culminated in the undergraduate colleges and the Chinese Academy of Sciences Institute for its main research institutions; its preparation methods from the traditional thermochemical methods developed to the electrochemical method, photochemical methods; prepared nanoparticles and powder, a single type of elemental or compound, but also complex, wrapped Type of complex nano-particles