Abstract: Different preparation methods for nanoparticle silver are introduced，including aqueous chemical reduction，electrochemical reduction，photochemical reduction and molecular self-assemby. The theories and processes of preparation of these methods are described in detail. The applications of nanoparticle silver in chemical reactions，optics and antibacterial materials are reviewed.

摘要： 综述了制备纳米银粒子的方法，主要包括液相化学还原法、电化学还原法、光化学还原法和分子自组装等，分析比较了这些方法的基本原理、制备过程及优缺点，阐述了纳米银粒子在化学反应、光学领域及抗菌等领域的应用。