the present invention provides a method for producing silver nanoparticles by employing ethanolamine . the method of this invention can be easily operated and no organic solvent is required . ethanolamine first reacts with copolymers of poly to generate polymeric polymers . the polymeric polymers then reduce silver ions to silver atoms which are dispersed in the form of silver nanoparticles . functional groups of the polymeric polymers can chelate with silver ions and be stably compatible with water or organic solvents , whereby the silver nanoparticles can be stably dispersed without aggregation and the produced silver nanoparticles .